context: There is little chance that Greg is white. It is probably the case that Lily is yellow. There is little chance that Bernhard is a swan. It is highly unlikely that if Bernhard is a swan, and Greg is white, then Sumit is tired. It is certain that if Lily is yellow, and Bernhard is a swan, then Jessica is a cat. It is improbable that if Lily is yellow, or Greg is white, then Brian is a frog.
hypothesis: It is likely that either Jessica is a cat, or Brian is a frog.
valid_hypothesis: There is little chance that either Jessica is a cat, or Brian is a frog.
invalid_hypothesis: It is likely that either Jessica is a cat, or Brian is a frog.
hypothesis_assertion: Either Jessica is a cat, or Brian is a frog.