Problem: Word: hand

Sentence 1: Give him a hand.

Sentence 2: The hired hand fixed the railing.

Same meaning?
A: different meanings

Problem: Word: key

Sentence 1: The key to winning a game.

Sentence 2: The key to development is economic integration.

Same meaning?
A: the same meaning

Problem: Word: bounce

Sentence 1: The ex-boxer's job is to bounce people who want to enter this private club.

Sentence 2: The rubber ball bounced.

Same meaning?
A: different meanings

Problem: Word: play

Sentence 1: Play football.

Sentence 2: We played hockey all afternoon.

Same meaning?
A:
the same meaning