user
what is black and white and black and white and black and white and black and white and black and white and black and white and black and white?
A: rap
B: white
C: cloth
D: penguin rolling down hill
E: record
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>