user
I am black and go real slow.  What am I?
A: black lung
B: molasses
C: piastre
D: blackboard
E: pleonaste
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>