user
What begins with 'T', ends with 'T' and has 'T' in it?
A: w
B: n
C: fag end
D: tea pot
E: trigonometry
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>