context: It is probably the case that Bernhard is yellow. There is almost no chance that Mary moved to the garden. It is certain that Greg is a swan. It is probable that if Mary moved to the garden, and Greg is a swan, then Jessica is a sheep. It is likely that if Bernhard is yellow, and Mary moved to the garden, then John dropped the apple. Chances are slight that if Mary moved to the garden, and Greg is a swan, then Lily is gray.
hypothesis: It is impossible that john dropped the apple, and Mary moved to the garden.
valid_hypothesis: It is impossible that john dropped the apple, and Mary moved to the garden.
invalid_hypothesis: It is probably the case that john dropped the apple, and Mary moved to the garden.
hypothesis_assertion: John dropped the apple, and Mary moved to the garden.