context: It is certain that John went to the garden. There is a better than even chance that Greg is a swan. It is improbable that Bernhard is gray. There is little chance that if John went to the garden, or Bernhard is gray, then Brian is a lion. It is highly likely that if either John went to the garden, or Greg is a swan, then Julius is a frog. There is a better than even chance that if John went to the garden, or Bernhard is gray, then Daniel left the milk.
hypothesis: It is probably the case that bernhard is gray, and John went to the garden.
valid_hypothesis: There is little chance that bernhard is gray, and John went to the garden.
invalid_hypothesis: It is probably the case that bernhard is gray, and John went to the garden.
hypothesis_assertion: Bernhard is gray, and John went to the garden.