Premise: A dirt biker is riding through some sand as spectators watch.

Hypothesis: the spectators are cheering
it is not possible to tell

Premise: A black and white dog jumps over a red and white pole while a boy in a green shirt watches.

Hypothesis: A dog is currently being watched by at least one person.
yes

Premise: A woman wearing a black blazer and several pieces of jewelry talking into a microphone while standing in front of a blue backdrop.

Hypothesis: A woman in a black blazer and lots of jewelry talks into a mic.
yes

Premise: People holding onto ropes while trying to get something through a window on the second floor.

Hypothesis: people holding ropes
yes