user
David's father has three sons: Snap, Crackle, and ?
A: hit
B: great grandson
C: david
D: paternity test
E: crackleware
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

C

<|end_of_solution|>