Q: Sentence (1) They serve a restricted role on the bench.
Sentence (2) She served in Congress for two terms.. Word: serve.
==--==
A: different meanings

Q: Sentence (1) The world's foremost authority on orangutans.
Sentence (2) I have the authority to penalise the staff in my department, but not the authority to sack them.. Word: authority.
==--==
A: different meanings

Q: Sentence (1) Beat the subway fare.
Sentence (2) Beat a path through the forest.. Word: beat.
==--==
A:
different meanings