context: A group of rollerskaters skate on a patch of cement with palm trees in the background.
hypothesis: It is impossible that a group of people are advertising a new type of rollerskate.
valid_hypothesis: It is impossible that a group of people are advertising a new type of rollerskate.
invalid_hypothesis: There is a very good chance that a group of people are advertising a new type of rollerskate.
hypothesis_assertion: A group of people are advertising a new type of rollerskate.