context: It is certain that John dropped the milk. There is little chance that Brian is a rhino. There is almost no chance that Greg is yellow.
hypothesis: It is certain that greg is yellow, and John dropped the milk.
valid_hypothesis: There is almost no chance that greg is yellow, and John dropped the milk.
invalid_hypothesis: It is certain that greg is yellow, and John dropped the milk.
hypothesis_assertion: Greg is yellow, and John dropped the milk.