context: A group of people in white sports outfits are gathered together while one of them performs a dance.
hypothesis: It is certain that the group is gathered to take turns performing a ritual dance.
valid_hypothesis: It is impossible that the group is gathered to take turns performing a ritual dance.
invalid_hypothesis: It is certain that the group is gathered to take turns performing a ritual dance.
hypothesis_assertion: The group is gathered to take turns performing a ritual dance.