user
the more we make the more we leave behind what are we?
A: carbon monoxide poisoning
B: foot prints
C: skip
D: blow
E: digital footprint
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>