user
a mother has children.  all of them are green eyed but 2,all of them are blye eyed but 2 and all of them are brown eyed but 2.  how many children does she have?
A: 3
B: baba
C: lacrimal bone
D: ametropia
E: olivine
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

A

<|end_of_solution|>