Problem: Word: sign

Sentence 1: Those clouds show little sign of raining soon.

Sentence 2: Those clouds show signs of raining soon.

Same meaning?
A: the same meaning

Problem: Word: fall

Sentence 1: The line of men fall forward.

Sentence 2: Light fell on her face.

Same meaning?
A: different meanings

Problem: Word: club

Sentence 1: To club exertions.

Sentence 2: The two men clubbed together.

Same meaning?
A: the same meaning

Problem: Word: sign

Sentence 1: Those clouds show little sign of raining soon.

Sentence 2: Those clouds show signs of raining soon.

Same meaning?
A:
the same meaning