Premise: An Asian parade of some sort seems to be going on as a man struggles with his dragon prop.

Hypothesis: A man has broken is dragon prop.
it is not possible to tell

Premise: A man in white spins through the air during a martial arts competition, as spectators look on.

Hypothesis: A man wearing all white practices martial arts in front of a crowd.
yes

Premise: A black, white and brown dog waking in the snow with a red toy in its mouth near an icey tree.

Hypothesis: A dog plays in the snow.
yes

Premise: A crowded busy dock with people standing next to a freight car either loading or unloading it.aa.

Hypothesis: A crowded dock has people on it standing next to a freight car because the car is late for it's next unloading.
it is not possible to tell