context: We doubt that Julius is green. It is probable that Brian is yellow. We believe that Mary picked up the milk. It is highly likely that if either Julius is green, or Mary picked up the milk, then Greg is a rhino. There is little chance that if Julius is green, and Brian is yellow, then John went to the hallway. It is impossible that if Brian is yellow, and Mary picked up the milk, then Lily is a swan.
hypothesis: We doubt that either Greg is a rhino, or Julius is green.
valid_hypothesis: It is probably the case that either Greg is a rhino, or Julius is green.
invalid_hypothesis: We doubt that either Greg is a rhino, or Julius is green.
hypothesis_assertion: Either Greg is a rhino, or Julius is green.