context: There is little chance that Mary went to the hallway. Chances are slight that Lily is a frog. It is probably the case that Greg is a rhino.
hypothesis: We believe that mary went to the hallway, or Greg is a rhino.
valid_hypothesis: We believe that mary went to the hallway, or Greg is a rhino.
invalid_hypothesis: Chances are slight that mary went to the hallway, or Greg is a rhino.
hypothesis_assertion: Mary went to the hallway, or Greg is a rhino.