context: It is probably the case that Bernhard is gray. It is probable that Mary went to the office. It is almost certain that Lily is a rhino. It is almost certain that if Bernhard is gray, and Lily is a rhino, then Emily is a mouse. It is likely that if Bernhard is gray, and Mary went to the office, then John discarded the milk. It is probably not the case that if Bernhard is gray, or Mary went to the office, then Julie is in the bedroom.
hypothesis: There is almost no chance that bernhard is gray, and Mary went to the office.
valid_hypothesis: Chances are about even that bernhard is gray, and Mary went to the office.
invalid_hypothesis: There is almost no chance that bernhard is gray, and Mary went to the office.
hypothesis_assertion: Bernhard is gray, and Mary went to the office.