context: It is impossible that Greg is yellow. It is highly unlikely that John moved to the office. It is probable that Sandra grabbed the milk. There is little chance that if Greg is yellow, or Sandra grabbed the milk, then Bernhard is a frog. It is certain that if John moved to the office, and Sandra grabbed the milk, then Daniel took the apple. It is probably the case that if Greg is yellow, and John moved to the office, then Brian is gray.
hypothesis: There is a very good chance that sandra grabbed the milk, and Bernhard is a frog.
valid_hypothesis: It is highly unlikely that sandra grabbed the milk, and Bernhard is a frog.
invalid_hypothesis: There is a very good chance that sandra grabbed the milk, and Bernhard is a frog.
hypothesis_assertion: Sandra grabbed the milk, and Bernhard is a frog.