context: It is probably the case that Greg is a swan. It is unlikely that Julius is yellow. There is little chance that Mary discarded the milk.
hypothesis: There is almost no chance that greg is a swan, or Julius is yellow.
valid_hypothesis: We believe that greg is a swan, or Julius is yellow.
invalid_hypothesis: There is almost no chance that greg is a swan, or Julius is yellow.
hypothesis_assertion: Greg is a swan, or Julius is yellow.