user
A man left for a three day trip on Friday and came back on Friday.   How is this possible?
A: ride
B: risk
C: holiday
D: horses name is friday
E: beaver
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>