context: It is impossible that Sandra took the apple. There is little chance that Greg is yellow. Chances are about even that Mary went to the bedroom.
hypothesis: It is impossible that sandra took the apple, and Mary went to the bedroom.
valid_hypothesis: It is impossible that sandra took the apple, and Mary went to the bedroom.
invalid_hypothesis: Chances are about even that sandra took the apple, and Mary went to the bedroom.
hypothesis_assertion: Sandra took the apple, and Mary went to the bedroom.