diff --git a/src/llmUtil.jl b/src/llmUtil.jl
index 2d2ac45..82a3708 100644
--- a/src/llmUtil.jl
+++ b/src/llmUtil.jl
@@ -1,6 +1,6 @@
 module llmUtil
 
-export formatLLMtext, formatLLMtext_llama3instruct, jsoncorrection
+export formatLLMtext, formatLLMtext_llama3instruct, jsoncorrection, deFormatLLMtext
 
 using UUIDs, JSON3, Dates
 using GeneralUtils
@@ -126,15 +126,38 @@ function formatLLMtext_phi4(name::T, text::T;
 end
 
 
+function formatLLMtext_granite3(name::T, text::T;
+  assistantStarter::Bool=false) where {T<:AbstractString}
+  formattedtext = 
+  if name == "system"
+    """
+    <|start_of_role|>system<|end_of_role|>{$text}<|end_of_text|>
+    """
+  else
+    """
+    <|start_of_role|>$name<|end_of_role|>{$text}<|end_of_text|>
+    """
+  end
 
-""" Convert a chat messages in vector of dictionary into LLM model instruct format.
+  if assistantStarter
+    formattedtext *=
+      """
+      <|start_of_role|>assistant<|end_of_role|>{
+      """
+  end
+
+  return formattedtext
+end
+
+
+
+""" Convert a vector of chat message dictionaries into LLM model instruct format.
 
 # Arguments
   - `messages::Vector{Dict{Symbol, T}}`
-    message owner name e.f. "system", "user" or "assistant"
+    A vector of dictionaries where each dictionary contains the keys `:name` (the name of the message owner) and `:text` (the text of the message).
   - `formatname::T`
-    format name to be used
-
+    The name of the format to be used for converting the chat messages.
 # Return
   - `formattedtext::String`
     text formatted to model format
@@ -151,24 +174,25 @@ julia> chatmessage = [
 julia> formattedtext = YiemAgent.formatLLMtext(chatmessage, "llama3instruct")
 "<|begin_of_text|>\n  <|start_header_id|>system<|end_header_id|>\n  You are a helpful, respectful and honest assistant.\n  <|eot_id|>\n  <|start_header_id|>user<|end_header_id|>\n  list me all planets in our solar system.\n  <|eot_id|>\n  <|start_header_id|>assistant<|end_header_id|>\n  I'm sorry. I don't know. You tell me.\n  <|eot_id|>\n"
 ```
-
-# Signature
 """
-function formatLLMtext(messages::Vector{Dict{Symbol, T}}; formatname::String="llama3instruct"
+function formatLLMtext(messages::Vector{Dict{Symbol, T}}, formatname::String
   )::String where {T<:AbstractString}
-  f = if formatname == "llama3instruct"
-    formatLLMtext_llama3instruct
-  elseif formatname == "mistral"
-    # not define yet
-  elseif formatname == "phi3instruct"
-    # not define yet
-  elseif formatname == "qwen"
-    formatLLMtext_qwen
-  elseif formatname == "phi4"
-    formatLLMtext_phi4
-  else
-    error("$formatname template not define yet")
-  end
+  f = 
+    if formatname == "llama3instruct"
+      formatLLMtext_llama3instruct
+    elseif formatname == "mistral"
+      # not define yet
+    elseif formatname == "phi3instruct"
+      # not define yet
+    elseif formatname == "qwen"
+      formatLLMtext_qwen
+    elseif formatname == "phi4"
+      formatLLMtext_phi4
+    elseif formatname == "granite3"
+      formatLLMtext_granite3
+    else
+      error("$formatname template not define yet")
+    end
 
   str = ""
   for (i, t) in enumerate(messages)
@@ -182,6 +206,73 @@ function formatLLMtext(messages::Vector{Dict{Symbol, T}}; formatname::String="ll
   return str
 end
 
+""" Revert LLM-format response back into regular text.
+
+# Arguments
+  - `text::String`
+    The LLM formatted string to be converted.
+
+# Return
+  - `normalText::String`
+    The original plain text extracted from the given LLM-formatted string.
+
+# Example
+```jldoctest
+julia> using Revise
+julia> using YiemAgent
+julia> response = "<|begin_of_text|>This is a sample system instruction.<|eot_id|>"
+julia> normalText = YiemAgent.deFormatLLMtext(response, "granite3")
+"This is a sample system instruction."
+```
+"""
+function deFormatLLMtext(text::String, formatname::String
+  )::String
+  f = 
+    if formatname == "granite3"
+      deFormatLLMtext_granite3
+    else
+      error("$formatname template not define yet")
+    end
+
+  r = f(text)
+  result = r === nothing ? text : r
+  return result
+end
+
+
+""" Revert LLM-format response back into regular text for Granite 3 format.
+
+# Arguments
+  - `text::String`
+    The LLM formatted string to be converted.
+
+# Return
+  - `normalText::Union{Nothing, String}`
+    The original plain text extracted from the given LLM-formatted string.
+    Returns nothing if the text is not in Granite 3 format.
+
+# Example
+```jldoctest
+julia> using Revise
+julia> using YiemAgent
+julia> response = "{This is a sample LLM response.}"
+julia> normalText = YiemAgent.deFormatLLMtext(response, "granite3")
+"This is a sample LLM response."
+"""
+function deFormatLLMtext_granite3(text::String)::Union{Nothing, String}
+  # check if '{' and '}' are in the text because it's a special format for the LLM response
+  if contains(text, '{') && contains(text, '}')
+    # get the text between '{' and '}'
+    text_between_braces = GeneralUtils.extractTextBetweenCharacter(text, '{', '}')[1]
+    return text_between_braces
+  elseif text[end] == '}'
+    text = "{$text"
+    text_between_braces = GeneralUtils.extractTextBetweenCharacter(text, '{', '}')[1]
+  else
+    return nothing
+  end
+end
+
 
 """ Attemp to correct LLM response's incorrect JSON response.
 
diff --git a/src/util.jl b/src/util.jl
index a70e985..a8ddac5 100644
--- a/src/util.jl
+++ b/src/util.jl
@@ -1042,9 +1042,11 @@ Extracts and returns the text that is enclosed between two specified characters
 
 # Examples
 ```jldoctest
-julia> text = "Hello [World]!"
+julia> text = "Hello [World]! [Yay]"
 julia> extracted_text = extractTextBetweenCharacter(text, '[', ']')
-println(extracted_text)  # Output: "World"
+2-element Vector{Any}:
+ "World"
+ "Yay"
 ```
 """
 function extractTextBetweenCharacter(text::String, startchar::Char, endchar::Char)