user
If you do this once it is good, but if you do it twice it is a bad thing?
A: grace
B: marriage or voting
C: debt
D: make a checklist
E: do dishes
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>