user
Two words, my answer is only two words.    To keep me, you must give me. 
A: meaning
B: sign
C: your word
D: modifier
E: vowel
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>