context: There is almost no chance that Fred went to the bedroom. Chances are slight that John moved to the office. It is improbable that Lily is a swan.
hypothesis: There is a very good chance that lily is a swan, or John moved to the office.
valid_hypothesis: We doubt that lily is a swan, or John moved to the office.
invalid_hypothesis: There is a very good chance that lily is a swan, or John moved to the office.
hypothesis_assertion: Lily is a swan, or John moved to the office.