Problem: Word: ping

Sentence 1: Ping your machine in the office.

Sentence 2: The bugs pinged the lamp shade.

Same meaning?
A: different meanings

Problem: Word: source

Sentence 1: He spent hours looking for the source of that quotation.

Sentence 2: The accused refused to reveal the source of the illegal drugs she was selling.

Same meaning?
A: different meanings

Problem: Word: pull

Sentence 1: Pull the string gently.

Sentence 2: Pull the trigger of the gun.

Same meaning?
A: the same meaning

Problem: Word: round

Sentence 1: We enjoyed our round of the local bars.

Sentence 2: The story is going the rounds in Washington.

Same meaning?
A:
different meanings