user
tjis is as light as a feather.  Yet nothing can hold it for to long.  what am I?
A: im air
B: flood
C: firework
D: harpsichord
E: my bones
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

A

<|end_of_solution|>