Problem: Word: hegemony

Sentence 1: To say they have priority is not to say they have complete hegemony.

Sentence 2: The hegemony of a single member state is not incompatible with a genuine confederation.

Same meaning?
A: the same meaning

Problem: Word: bet

Sentence 1: I bet she will be there!

Sentence 2: You can bet on that!

Same meaning?
A: different meanings

Problem: Word: circus

Sentence 1: They used the elephants to help put up the circus.

Sentence 2: The circus will be in town next week.

Same meaning?
A: different meanings

Problem: Word: tab

Sentence 1: Files with a red tab will be stored separately.

Sentence 2: The collar has a tab with a button hole.

Same meaning?
A:
the same meaning