Problem: Word: reduce

Sentence 1: Reduce a problem to a single question.

Sentence 2: The cells reduce.

Same meaning?
A: different meanings

Problem: Word: crystallize

Sentence 1: He tried to crystallize his thoughts.

Sentence 2: My ideas crystallized overnight.

Same meaning?
A: the same meaning

Problem: Word: check

Sentence 1: Check the spelling of this word.

Sentence 2: Check your luggage before boarding.

Same meaning?
A: different meanings

Problem: Word: recognition

Sentence 1: He looked at her for ten full minutes before recognition dawned.

Sentence 2: Increasing recognition that diabetes frequently coexists with other chronic diseases.

Same meaning?
A:
different meanings