context: It is certain that John moved to the garden. It is highly likely that Brian is green. There is little chance that Mary went to the office. Chances are slight that if either John moved to the garden, or Brian is green, then Bernhard is a lion. There is a very good chance that if either John moved to the garden, or Brian is green, then Sandra left the milk. There is a better than even chance that if Mary went to the office, or Brian is green, then Jessica is a sheep.
hypothesis: There is little chance that john moved to the garden, and Mary went to the office.
valid_hypothesis: There is little chance that john moved to the garden, and Mary went to the office.
invalid_hypothesis: There is a very good chance that john moved to the garden, and Mary went to the office.
hypothesis_assertion: John moved to the garden, and Mary went to the office.