context: It is probably the case that Greg is white. It is highly unlikely that Daniel dropped the milk. It is probably not the case that Julius is gray.
hypothesis: It is likely that greg is white, or Daniel dropped the milk.
valid_hypothesis: It is likely that greg is white, or Daniel dropped the milk.
invalid_hypothesis: We doubt that greg is white, or Daniel dropped the milk.
hypothesis_assertion: Greg is white, or Daniel dropped the milk.