context: It is probably the case that John is in the bedroom. We doubt that Greg is a rhino. It is probably the case that Bill went to the hallway. Chances are about even that if John is in the bedroom, or Greg is a rhino, then Julius is green. It is impossible that if either Bill went to the hallway, or John is in the bedroom, then Jeff discarded the milk. It is likely that if Greg is a rhino, or John is in the bedroom, then Winona is a wolf.
hypothesis: It is probably the case that julius is green, and Greg is a rhino.
valid_hypothesis: Chances are slight that julius is green, and Greg is a rhino.
invalid_hypothesis: It is probably the case that julius is green, and Greg is a rhino.
hypothesis_assertion: Julius is green, and Greg is a rhino.