context: It is highly likely that Mary moved to the office. There is almost no chance that Julius is a swan. It is probable that Bill discarded the milk.
hypothesis: It is probably not the case that either Mary moved to the office, or Bill discarded the milk.
valid_hypothesis: It is probably not the case that either Mary moved to the office, or Bill discarded the milk.
invalid_hypothesis: It is probable that either Mary moved to the office, or Bill discarded the milk.
hypothesis_assertion: Either Mary moved to the office, or Bill discarded the milk.