context: It is probable that Sandra got the football. There is little chance that Lily is gray. Chances are slight that Mary moved to the garden.
hypothesis: It is probably not the case that either Mary moved to the garden, or Sandra got the football.
valid_hypothesis: It is likely that either Mary moved to the garden, or Sandra got the football.
invalid_hypothesis: It is probably not the case that either Mary moved to the garden, or Sandra got the football.
hypothesis_assertion: Either Mary moved to the garden, or Sandra got the football.