Problem: Sentence1: They paid taxes on every stage of the operation.
Sentence2: A multinational operation.
Q: Does the term operation mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: You have no right to go through my personal diary.
Sentence2: They are endowed by their Creator with certain unalienable Rights.
Q: Does the term right mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The line of men fall forward.
Sentence2: Light fell on her face.
Q: Does the term fall mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: One boy hit the other.
Sentence2: I have to hit the MAC machine before the weekend starts.
Q: Does the term hit mean the same thing in both these sentences?

Answer:
different meanings