Question:
uh i don't know there's a lot of air pollution

Does it follow that "The air is not polluted."?
Answer:
no

Question:
He hurries to the despatchcase "it is locked, and the keys are nowhere to be seen.

Does it follow that "It is open, let us get in."?
Answer:
no

Question:
With its garish pagodas, artificial caves, and brightly painted statues of well-known Taoist and Buddhist legends, the garden is an obvious photo opportunity.

Does it follow that "There are no pagodas in the garden at all. "?
Answer:
no

Question:
Inside there was a single-chair barber shop, with a barber who might also have come from some movie-casting office.

Does it follow that "The barber rarely got many customers, so he only needed a single chair."?
Answer:
it is not possible to tell