context: It is certain that Greg is green. It is highly unlikely that Brian is a lion. It is probably not the case that John picked up the milk. It is likely that if Greg is green, and John picked up the milk, then Mary went to the bedroom. It is highly likely that if John picked up the milk, or Greg is green, then Lily is yellow. It is likely that if Brian is a lion, and Greg is green, then Bernhard is white.
hypothesis: It is almost certain that either Bernhard is white, or John picked up the milk.
valid_hypothesis: It is probably not the case that either Bernhard is white, or John picked up the milk.
invalid_hypothesis: It is almost certain that either Bernhard is white, or John picked up the milk.
hypothesis_assertion: Either Bernhard is white, or John picked up the milk.