context: We doubt that John discarded the milk. There is almost no chance that Greg is a lion. It is probably the case that Brian is a swan.
hypothesis: It is probably not the case that greg is a lion, or Brian is a swan.
valid_hypothesis: It is likely that greg is a lion, or Brian is a swan.
invalid_hypothesis: It is probably not the case that greg is a lion, or Brian is a swan.
hypothesis_assertion: Greg is a lion, or Brian is a swan.