user
The many people that do it, spend money just to burn it, and it's bad for the earth and man-kind.  What are we doing?
A: smother
B: making money
C: room
D: seeing
E: smoking
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

E

<|end_of_solution|>