context: It is probable that Greg is a frog. It is highly likely that Mary moved to the garden. It is highly likely that Sandra left the football.
hypothesis: It is probably not the case that sandra left the football, or Mary moved to the garden.
valid_hypothesis: It is certain that sandra left the football, or Mary moved to the garden.
invalid_hypothesis: It is probably not the case that sandra left the football, or Mary moved to the garden.
hypothesis_assertion: Sandra left the football, or Mary moved to the garden.