OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "A coward is a man who is admired for doing something extremely brave."
- Sentence B: "A hero is a man who is admired for doing something extremely brave."

A coward is not at all brave and thus will not be admired.
Thus, the answer is Sentence A.