user
A doctor gives you three pills and tells you to take one every 30 minutes.   How long does it take to run out of pills?
A: support
B: waiting room
C: minute gun
D: one hour
E: note
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>