context: It is highly unlikely that Lily is a rhino. There is almost no chance that John went to the kitchen. It is almost certain that Greg is a swan. It is highly unlikely that if Greg is a swan, or John went to the kitchen, then Julius is a frog. It is impossible that if John went to the kitchen, and Lily is a rhino, then Bernhard is gray. It is likely that if Greg is a swan, and John went to the kitchen, then Fred moved to the office.
hypothesis: It is highly unlikely that either Lily is a rhino, or John went to the kitchen.
valid_hypothesis: It is highly unlikely that either Lily is a rhino, or John went to the kitchen.
invalid_hypothesis: It is probably the case that either Lily is a rhino, or John went to the kitchen.
hypothesis_assertion: Either Lily is a rhino, or John went to the kitchen.