user
Mr.  Smith has two children.  If the older child is a boy, what are the odds that the other child is also a boy?
A: 5050
B: caravan
C: form
D: moppet
E: rust
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

A

<|end_of_solution|>