Premise: People in costumes are standing outside.

Hypothesis: Nobody was allowed to wear a costume.
no

Premise: Several men dressed in blue bikers suites are preparing for the bike race.

Hypothesis: The men are wearing blue.
yes

Premise: Two dogs running near a river while one dogs in swimming in it.

Hypothesis: The dogs are playing and chasing each other.
it is not possible to tell

Premise: A barefooted man jumps into a pile of hay.

Hypothesis: There is a child making sandcastles.
no