context: It is probable that John went to the garden. There is little chance that Mary moved to the office. It is highly likely that Lily is a swan. There is almost no chance that if John went to the garden, and Mary moved to the office, then Brian is yellow. It is improbable that if Lily is a swan, or John went to the garden, then Greg is a lion. There is little chance that if John went to the garden, or Mary moved to the office, then Julius is a rhino.
hypothesis: It is impossible that john went to the garden, and Brian is yellow.
valid_hypothesis: It is impossible that john went to the garden, and Brian is yellow.
invalid_hypothesis: It is probably the case that john went to the garden, and Brian is yellow.
hypothesis_assertion: John went to the garden, and Brian is yellow.