context: It is impossible that Jessica is a mouse. It is improbable that Mary went to the bedroom. It is impossible that Julius is a lion. There is a better than even chance that if Jessica is a mouse, and Julius is a lion, then John dropped the apple. We doubt that if Jessica is a mouse, or Mary went to the bedroom, then Fred left the milk. There is little chance that if either Mary went to the bedroom, or Jessica is a mouse, then Lily is green.
hypothesis: There is little chance that either Mary went to the bedroom, or Jessica is a mouse.
valid_hypothesis: There is little chance that either Mary went to the bedroom, or Jessica is a mouse.
invalid_hypothesis: It is probably the case that either Mary went to the bedroom, or Jessica is a mouse.
hypothesis_assertion: Either Mary went to the bedroom, or Jessica is a mouse.