user
All men take off their hats to one person.  Who is this person?
A: crowd
B: detective
C: barber
D: commentator
E: weasel
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>