user
There is a bus full of people travelling over San Francisco and no one gets off the bus throughout  the journey.  But when it gets to the other side there is not a single person left.  How is this  possible?
A: scut
B: nun
C: religious person
D: they are all married
E: widow
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

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