Problem: Sentence1: It was just smoke and mirrors.
Sentence2: His dreams all turned to smoke.
Q: Does the term smoke mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Block a muscle.
Sentence2: Block a nerve.
Q: Does the term block mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: A notice of sale.
Sentence2: An obituary notice.
Q: Does the term notice mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Keep food for a week in the pantry.
Sentence2: I keep my specimens under glass to protect them.
Q: Does the term keep mean the same thing in both these sentences?

Answer:
different meanings