user
What breaks, but never falls? What falls, but never breaks?
A: separation
B: dash
C: daybreak and nightfall
D: crush
E: interrupt
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>