context: It is likely that Mary grabbed the milk. There is little chance that Greg is a frog. It is highly unlikely that Fred dropped the apple. It is highly likely that if Greg is a frog, and Fred dropped the apple, then Brian is yellow. There is almost no chance that if Fred dropped the apple, or Mary grabbed the milk, then Julius is a lion. We believe that if Fred dropped the apple, or Mary grabbed the milk, then Emily is a mouse.
hypothesis: There is little chance that either Julius is a lion, or Greg is a frog.
valid_hypothesis: There is little chance that either Julius is a lion, or Greg is a frog.
invalid_hypothesis: It is almost certain that either Julius is a lion, or Greg is a frog.
hypothesis_assertion: Either Julius is a lion, or Greg is a frog.