user
I like to twirl my body but keep my head up high.  After I go in, everything becomes tight.  What am I?
A: projection
B: screw
C: amsterdam
D: headphone
E: headship
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>