I'll give you a question, please answer with step-by-step reasoning process.
Premise: "The young man looks into the fountain on a sunny day."\nHypothesis: "A young man looks into a fountain."\nDo we know that the hypothesis entailed by the premise?

yes
A young man looks into a fountain is a simplification of the young man looking into a fountain on a sunny day.

.

The answer: yes