context: It is certain that Greg is a rhino. It is probably the case that Lily is a swan. Chances are slight that Sandra is in the hallway.
hypothesis: It is highly likely that either Sandra is in the hallway, or Greg is a rhino.
valid_hypothesis: It is highly likely that either Sandra is in the hallway, or Greg is a rhino.
invalid_hypothesis: There is little chance that either Sandra is in the hallway, or Greg is a rhino.
hypothesis_assertion: Either Sandra is in the hallway, or Greg is a rhino.