Problem: Word: call

Sentence 1: The mayor likes to call on some of the prominent citizens.

Sentence 2: The engineer called round whilst you were away.

Same meaning?
A: the same meaning

Problem: Word: go

Sentence 1: These ugly billboards have to go!

Sentence 2: The day went well until I got your call.

Same meaning?
A: different meanings

Problem: Word: go

Sentence 1: Messages must go through diplomatic channels.

Sentence 2: The speech has to go through several more drafts.

Same meaning?
A: different meanings

Problem: Word: cup

Sentence 1: He wore a jock strap with a metal cup.

Sentence 2: Bees filled the waxen cups with honey.

Same meaning?
A:
the same meaning