context: There is a very good chance that Bernhard is a swan. It is probably the case that Greg is a frog. Chances are slight that Julie is in the office.
hypothesis: There is a better than even chance that bernhard is a swan, and Julie is in the office.
valid_hypothesis: Chances are slight that bernhard is a swan, and Julie is in the office.
invalid_hypothesis: There is a better than even chance that bernhard is a swan, and Julie is in the office.
hypothesis_assertion: Bernhard is a swan, and Julie is in the office.