Sentence 1: A man in a yellow shirt is taking pictures while a man in jean overalls is changing a tire on a black car. Sentence 2: The man is a mechanic.


Context: A man in a yellow shirt is taking pictures while a man in jean overalls is changing a tire on a black car.
Hypothesis: The man is a mechanic.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?