context: There is almost no chance that Fred went to the kitchen. It is impossible that Sandra left the milk. Chances are slight that Gertrude is a wolf. It is probably not the case that if Sandra left the milk, or Fred went to the kitchen, then Jessica is a cat. It is probable that if Sandra left the milk, and Fred went to the kitchen, then Brian is green. It is highly likely that if Fred went to the kitchen, and Sandra left the milk, then Lily is a swan.
hypothesis: There is little chance that either Fred went to the kitchen, or Gertrude is a wolf.
valid_hypothesis: There is little chance that either Fred went to the kitchen, or Gertrude is a wolf.
invalid_hypothesis: We believe that either Fred went to the kitchen, or Gertrude is a wolf.
hypothesis_assertion: Either Fred went to the kitchen, or Gertrude is a wolf.