context: It is unlikely that Brian is green. It is probable that Greg is yellow. It is improbable that Julius is white. We believe that if Greg is yellow, and Brian is green, then John left the milk. It is impossible that if Brian is green, and Greg is yellow, then Mary dropped the apple. It is highly likely that if Julius is white, or Greg is yellow, then Jessica is a mouse.
hypothesis: There is little chance that jessica is a mouse, and Brian is green.
valid_hypothesis: There is little chance that jessica is a mouse, and Brian is green.
invalid_hypothesis: It is likely that jessica is a mouse, and Brian is green.
hypothesis_assertion: Jessica is a mouse, and Brian is green.