context: It is certain that Sandra got the milk. It is certain that Lily is a swan. Chances are about even that Mary went to the office. Chances are about even that if Lily is a swan, and Mary went to the office, then Greg is yellow. Chances are slight that if Lily is a swan, or Mary went to the office, then Emily is a wolf. We believe that if Sandra got the milk, and Mary went to the office, then Antoine is thirsty.
hypothesis: It is highly unlikely that emily is a wolf, and Mary went to the office.
valid_hypothesis: It is highly unlikely that emily is a wolf, and Mary went to the office.
invalid_hypothesis: It is probably the case that emily is a wolf, and Mary went to the office.
hypothesis_assertion: Emily is a wolf, and Mary went to the office.