context: It is probably the case that Julius is a swan. There is almost no chance that Bernhard is a frog. There is little chance that Sumit is tired. It is likely that if either Bernhard is a frog, or Julius is a swan, then Gertrude is a wolf. It is certain that if Julius is a swan, or Bernhard is a frog, then Brian is white. It is highly likely that if Sumit is tired, and Bernhard is a frog, then Mary went to the bedroom.
hypothesis: Chances are about even that bernhard is a frog, and Sumit is tired.
valid_hypothesis: It is impossible that bernhard is a frog, and Sumit is tired.
invalid_hypothesis: Chances are about even that bernhard is a frog, and Sumit is tired.
hypothesis_assertion: Bernhard is a frog, and Sumit is tired.