context: Chances are about even that Julius is a rhino. It is probable that John went to the kitchen. It is certain that Lily is white.
hypothesis: It is probably not the case that julius is a rhino, and John went to the kitchen.
valid_hypothesis: It is probably not the case that julius is a rhino, and John went to the kitchen.
invalid_hypothesis: It is likely that julius is a rhino, and John went to the kitchen.
hypothesis_assertion: Julius is a rhino, and John went to the kitchen.