user
I go around in circles    But always straight ahead,    Never complain    No matter where I am led. 
A: technology
B: return
C: plane
D: bone
E: wagon wheel
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

E

<|end_of_solution|>