context: It is highly unlikely that Jeff went to the office. It is highly unlikely that Bernhard is a swan. It is improbable that Fred is in the park.
hypothesis: It is likely that bernhard is a swan, and Jeff went to the office.
valid_hypothesis: It is impossible that bernhard is a swan, and Jeff went to the office.
invalid_hypothesis: It is likely that bernhard is a swan, and Jeff went to the office.
hypothesis_assertion: Bernhard is a swan, and Jeff went to the office.