Problem: Sentence1: Look what I have here -- a frog I found on the street!
Sentence2: He had a cold last week.
Q: Does the term have mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Saw the board across the grain.
Sentence2: A grain of salt.
Q: Does the term grain mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Time stops for nobody.
Sentence2: He called four times.
Q: Does the term time mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: She was vice-presidential material.
Sentence2: He was university material.
Q: Does the term material mean the same thing in both these sentences?

Answer:
the same meaning