user
I am larger in daytime, and smaller at nighttime.  What am I? Note: There is only one correct answer. 
A: remembering
B: big game
C: cats eye
D: way
E: world
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>