Update tos.json

tos.json

@@ -166,5 +166,8 @@
   { "question": "What makes an algorithm efficient in terms of computation time?", "type": "Question" },
   { "question": "What is the role of neurotransmitters in brain function?", "type": "Question" },
   { "question": "What distinguishes artificial neural networks from biological ones?", "type": "Question" },
-  { "question": "What principles govern the conservation of energy in physics?", "type": "Question" }
+  { "question": "What principles govern the conservation of energy in physics?", "type": "Question" },
+  { "question": "What is the capital of France?", "type": "Questions"},
+  { "question": "What is the capital of the United States of America", "type": "Question"},
+  { "question": "What is the capital of Vietnam?", "type": "Question"}
 ]