Problem: Sentence1: Fall prey to an imposter.
Sentence2: The line of men fall forward.
Q: Does the term fall mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Confidence is always borrowed, never owned.
Sentence2: Everyone trusted him with their confidences.
Q: Does the term confidence mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: How much does this savings certificate pay annually?
Sentence2: To pay attention.
Q: Does the term pay mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: I am a British subject.
Sentence2: A moving picture of a train is more dramatic than a still picture of the same subject.
Q: Does the term subject mean the same thing in both these sentences?

Answer:
different meanings