context: There is a better than even chance that Brian is green. There is a better than even chance that Greg is green. It is impossible that Fred discarded the milk.
hypothesis: It is impossible that fred discarded the milk, and Greg is green.
valid_hypothesis: It is impossible that fred discarded the milk, and Greg is green.
invalid_hypothesis: It is probably the case that fred discarded the milk, and Greg is green.
hypothesis_assertion: Fred discarded the milk, and Greg is green.