context: It is highly likely that Lily is green. It is likely that Greg is yellow. Chances are slight that John went to the kitchen. It is probably not the case that if John went to the kitchen, or Greg is yellow, then Julius is a rhino. It is probable that if Greg is yellow, and John went to the kitchen, then Mary moved to the garden. Chances are about even that if Greg is yellow, and Lily is green, then Brian is a swan.
hypothesis: There is almost no chance that john went to the kitchen, and Julius is a rhino.
valid_hypothesis: There is almost no chance that john went to the kitchen, and Julius is a rhino.
invalid_hypothesis: It is highly likely that john went to the kitchen, and Julius is a rhino.
hypothesis_assertion: John went to the kitchen, and Julius is a rhino.