user
two men are playing chess and they both win there's no tie, stale mate, nothing like that how is this possible. 
A: compare
B: they werent playing each other
C: win
D: entertainment
E: railroad track
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>