user
I am above water,  I am below water   What am I?
A: milkshake
B: oil
C: water or a reflection
D: causeway
E: cruse
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>