Premise: A little girl walking down a balance beam with an adult ready to assist.

Hypothesis: A girl is practicing on a balance beam in front of an adult.
yes

Premise: A man with long hair, a mustache, and a beard is holding a guitar and sitting in front of a USA flag.

Hypothesis: A man with short hair and a goatee holds a trombone as he sits in front of a Russian flag.
no

Premise: Opposing players challenge each other in a game of ultimate frisbee.

Hypothesis: The people are outside having fun.
it is not possible to tell

Premise: Several men are relaxing and drinking beer.

Hypothesis: Several men are playing at a playground.
no