context: It is unlikely that Bill left the apple. Chances are about even that Greg is yellow. There is little chance that Lily is green.
hypothesis: It is highly unlikely that either Greg is yellow, or Bill left the apple.
valid_hypothesis: Chances are about even that either Greg is yellow, or Bill left the apple.
invalid_hypothesis: It is highly unlikely that either Greg is yellow, or Bill left the apple.
hypothesis_assertion: Either Greg is yellow, or Bill left the apple.