context: It is impossible that Gertrude is a sheep. Chances are slight that Bill went to the kitchen. It is probably not the case that Sandra took the apple.
hypothesis: There is little chance that either Gertrude is a sheep, or Bill went to the kitchen.
valid_hypothesis: There is little chance that either Gertrude is a sheep, or Bill went to the kitchen.
invalid_hypothesis: There is a very good chance that either Gertrude is a sheep, or Bill went to the kitchen.
hypothesis_assertion: Either Gertrude is a sheep, or Bill went to the kitchen.