diff --git a/src/filler.py b/src/filler.py
index e31e535..18206a3 100644
--- a/src/filler.py
+++ b/src/filler.py
@@ -39,8 +39,21 @@ def fill_form(self, pdf_form: str, llm: LLM):
                 for annot in sorted_annots:
                     if annot.Subtype == "/Widget" and annot.T:
                         if i < len(answers_list):
-                            annot.V = f"{answers_list[i]}"
-                            annot.AP = None
+                            field_type = annot.FT
+                            value = str(answers_list[i]).strip().lower()
+
+                            if field_type == "/Btn":
+                                # Handle checkbox and radio button fields
+                                if value in ("yes", "true", "1", "checked"):
+                                    import pdfrw
+                                    annot.update(pdfrw.PdfDict(V=pdfrw.PdfName("Yes"), AS=pdfrw.PdfName("Yes")))
+                                else:
+                                    import pdfrw
+                                    annot.update(pdfrw.PdfDict(V=pdfrw.PdfName("Off"), AS=pdfrw.PdfName("Off")))
+                            else:
+                                # Handle normal text fields (original behavior)
+                                annot.V = f"{answers_list[i]}"
+                                annot.AP = None
                             i += 1
                         else:
                             # Stop if we run out of answers
diff --git a/src/main.py b/src/main.py
index 5bb632b..56f81ed 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,3 +1,4 @@
+from typing import Union
 import os
 # from backend import Fill  
 from commonforms import prepare_form 
@@ -50,7 +51,7 @@ def run_pdf_fill_process(user_input: str, definitions: list, pdf_form_path: Unio
 
 # if __name__ == "__main__":
 #     file = "./src/inputs/file.pdf"
-#     user_input = "Hi. The employee's name is John Doe. His job title is managing director. His department supervisor is Jane Doe. His phone number is 123456. His email is jdoe@ucsc.edu. The signature is <Mamañema>, and the date is 01/02/2005"
+#     user_input = open("./src/inputs/input.txt").read().strip()
 #     fields = ["Employee's name", "Employee's job title", "Employee's department supervisor", "Employee's phone number", "Employee's email", "Signature", "Date"]
 #     prepared_pdf = "temp_outfile.pdf"
 #     prepare_form(file, prepared_pdf)
@@ -67,7 +68,7 @@ def run_pdf_fill_process(user_input: str, definitions: list, pdf_form_path: Unio
 
 if __name__ == "__main__":
     file = "./src/inputs/file.pdf"
-    user_input = "Hi. The employee's name is John Doe. His job title is managing director. His department supervisor is Jane Doe. His phone number is 123456. His email is jdoe@ucsc.edu. The signature is <Mamañema>, and the date is 01/02/2005"
+    user_input = open("./src/inputs/input.txt").read().strip()
     fields = ["Employee's name", "Employee's job title", "Employee's department supervisor", "Employee's phone number", "Employee's email", "Signature", "Date"]
     prepared_pdf = "temp_outfile.pdf"
     prepare_form(file, prepared_pdf)