context: It is improbable that Mary dropped the milk. It is probably the case that Greg is a swan. It is probably not the case that Bernhard is yellow. It is likely that if either Greg is a swan, or Mary dropped the milk, then Yann is thirsty. It is probably the case that if Mary dropped the milk, and Bernhard is yellow, then John went to the bedroom. It is highly unlikely that if Bernhard is yellow, and Greg is a swan, then Sandra grabbed the milk.
hypothesis: It is probably the case that john went to the bedroom, and Greg is a swan.
valid_hypothesis: There is almost no chance that john went to the bedroom, and Greg is a swan.
invalid_hypothesis: It is probably the case that john went to the bedroom, and Greg is a swan.
hypothesis_assertion: John went to the bedroom, and Greg is a swan.