context: It is probably not the case that Bernhard is a swan. It is probably not the case that John left the milk. It is highly likely that Mary went to the hallway. There is a very good chance that if Mary went to the hallway, or John left the milk, then Lily is white. It is impossible that if Mary went to the hallway, and Bernhard is a swan, then Jessica is a mouse. It is impossible that if either Bernhard is a swan, or John left the milk, then Greg is yellow.
hypothesis: It is probably the case that either Bernhard is a swan, or John left the milk.
valid_hypothesis: It is probably not the case that either Bernhard is a swan, or John left the milk.
invalid_hypothesis: It is probably the case that either Bernhard is a swan, or John left the milk.
hypothesis_assertion: Either Bernhard is a swan, or John left the milk.