OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "The duty of a soldier is to protect his country."
- Sentence B: "The duty of a soldier is to teach and educate."

It is the teachers' duty is to teach and educate.
Thus, the answer is Sentence B.
OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "The duty of a soldier is to protect his country."
- Sentence B: "The duty of a soldier is to teach and educate."

user
It is the teachers' duty is to teach and educate.
Thus, the answer is Sentence B.
assistant
OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "The duty of a soldier is to protect his country."
- Sentence B: "The duty of a soldier is to teach and educate."

It is the teachers' duty is to teach and educate.
Thus, the answer is Sentence B.