OK. You'll be given the following question. Please do chain-of-thought reasoning.
Pick which sentence is not logical.
Options:
- Sentence A: "a power socket has a copper housing for safety"
- Sentence B: "a power socket has a plastic housing for safety"

user
A copper conducts electric current and can shock you when they are live so they cannot be for safety.
Thus, the answer is Sentence A.
assistant