context: It is likely that John went to the garden. We believe that Bernhard is a lion. There is little chance that Greg is yellow. There is a better than even chance that if John went to the garden, or Bernhard is a lion, then Mary moved to the garden. It is almost certain that if Bernhard is a lion, or Greg is yellow, then Lily is gray. It is probably the case that if either Greg is yellow, or Bernhard is a lion, then Sandra got the football.
hypothesis: There is almost no chance that bernhard is a lion, and John went to the garden.
valid_hypothesis: Chances are about even that bernhard is a lion, and John went to the garden.
invalid_hypothesis: There is almost no chance that bernhard is a lion, and John went to the garden.
hypothesis_assertion: Bernhard is a lion, and John went to the garden.