Premise: 5 children japanese with bows practicing in front of sensei.

Hypothesis: The kids are in front of their teacher
yes

Premise: Killer whales perform for a crowd.

Hypothesis: There are animals performing.
yes

Premise: An Asian woman is holding a large blue and white tube while looking at another woman and a red bus passes by her.

Hypothesis: An Asian woman is holding her latest piece of artwork in a protective tube
it is not possible to tell

Premise: Man in a red shirt and pans jumping into a hay stack.

Hypothesis: The man in a red shirt wore a white headband.
it is not possible to tell