user
What is something that can go up quite easily, but is not as easy to bring back down?
A: rapture
B: weight
C: egg
D: buy
E: potluck
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>