user
I'm Never true   I'm Never false  So. .   What is the riddle
A: theorem
B: ambiguous
C: true or untrue
D: proposition
E: true or false
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

E

<|end_of_solution|>