Premise: A boy leaning against somebody on a booth seat looking under the table.

Hypothesis: A girl sleeps in a booth.
no

Premise: Photography crew prepare for a photo shoot.

Hypothesis: The photographers put away their equipment.
no

Premise: A flamboyantly dressed man rides a horse whose mane is colorfully set off.

Hypothesis: A man riding a horse during a parade.
it is not possible to tell

Premise: An African-American man in a white carrying what appears to be metal art, walks along side a Caucasian woman wearing a white sweater.

Hypothesis: The two people are not of the same race.
yes