context: It is probable that Greg is a frog. There is little chance that Sandra got the football. It is unlikely that Julius is white. It is probable that if either Sandra got the football, or Greg is a frog, then John went to the kitchen. It is probably the case that if Julius is white, or Sandra got the football, then Mary is in the office. It is unlikely that if Sandra got the football, or Greg is a frog, then Brian is gray.
hypothesis: It is likely that john went to the kitchen, or Greg is a frog.
valid_hypothesis: It is likely that john went to the kitchen, or Greg is a frog.
invalid_hypothesis: It is probably not the case that john went to the kitchen, or Greg is a frog.
hypothesis_assertion: John went to the kitchen, or Greg is a frog.