user
If you can touch it,you cannot go in. If you canot touch it,you can go in. what is it?
A: toe
B: worry
C: fingering
D: your coffin
E: affect
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>