context: We doubt that Bernhard is a lion. Chances are slight that Fred left the football. We believe that John went to the garden. It is highly likely that if John went to the garden, or Bernhard is a lion, then Greg is a rhino. It is probably the case that if John went to the garden, or Fred left the football, then Jeff discarded the milk. There is little chance that if Fred left the football, and John went to the garden, then Lily is green.
hypothesis: Chances are slight that john went to the garden, and Bernhard is a lion.
valid_hypothesis: Chances are slight that john went to the garden, and Bernhard is a lion.
invalid_hypothesis: It is certain that john went to the garden, and Bernhard is a lion.
hypothesis_assertion: John went to the garden, and Bernhard is a lion.