user
bob's mother has three sons bill,pennie and who
A: send money
B: offspring
C: post
D: answerthe son is bob
E: nick
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

<|end_of_solution|>