Problem: Sentence1: 19th century thought.
Sentence2: Darwinian thought.
Q: Does the term thought mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Break the code.
Sentence2: Break a branch from a tree.
Q: Does the term break mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: We all got to ride the merry-go-round when the brought their carnival to town.
Sentence2: When the carnival came to town, every one wanted some cotton candy.
Q: Does the term carnival mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Ballet dancers can rotate their legs out by 90 degrees.
Sentence2: We rotate the lead soprano every night.
Q: Does the term rotate mean the same thing in both these sentences?

Answer:
different meanings