context: It is improbable that Sandra took the football. It is probably the case that Bernhard is green. It is improbable that John put down the milk. It is improbable that if Sandra took the football, and Bernhard is green, then Gertrude is a wolf. It is probably not the case that if Sandra took the football, or John put down the milk, then Fred went to the kitchen. There is a very good chance that if either Sandra took the football, or John put down the milk, then Brian is a swan.
hypothesis: There is little chance that bernhard is green, or Fred went to the kitchen.
valid_hypothesis: It is likely that bernhard is green, or Fred went to the kitchen.
invalid_hypothesis: There is little chance that bernhard is green, or Fred went to the kitchen.
hypothesis_assertion: Bernhard is green, or Fred went to the kitchen.