OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "He's cutting iron."
- Sentence B: "He's cutting apples."

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Iron is too strong for a human to cut by himself.
Thus, the answer is Sentence A.