instruction:
The answer will be 'yes' if the provided sentence contains an explicit mention that answers the given question. Otherwise, the answer should be 'no'. Instances where the answer is implied from the sentence using "instinct" or "common sense" (as opposed to being written explicitly in the sentence) should be labeled as 'no'.
question:
Sentence: About 30% of Ratners's profit already is derived from the U.S.
Question: What happened before Ratners's made a profit?
answer:
No.

question:
Sentence: Whatever their origins, their culture evolved under the pressure and influence of foreign forces.
Question: How long have they been evolving?
answer:
Yes.

question:
Sentence: You can see examples of people with gravitational potential energy in 1.5 Figure below.
Question: What will a typical person do after reviewing the example?
answer:
No.