context: There is a very good chance that Julius is green. We doubt that Sandra took the apple. There is almost no chance that Winona is a sheep. There is little chance that if Julius is green, or Sandra took the apple, then Bernhard is a lion. It is almost certain that if Julius is green, or Sandra took the apple, then Lily is a frog. It is impossible that if Winona is a sheep, and Sandra took the apple, then Mary went to the kitchen.
hypothesis: Chances are about even that winona is a sheep, and Sandra took the apple.
valid_hypothesis: It is impossible that winona is a sheep, and Sandra took the apple.
invalid_hypothesis: Chances are about even that winona is a sheep, and Sandra took the apple.
hypothesis_assertion: Winona is a sheep, and Sandra took the apple.