context: We believe that Greg is a lion. It is improbable that Julius is a swan. It is highly unlikely that John moved to the office.
hypothesis: Chances are slight that john moved to the office, or Julius is a swan.
valid_hypothesis: Chances are slight that john moved to the office, or Julius is a swan.
invalid_hypothesis: We believe that john moved to the office, or Julius is a swan.
hypothesis_assertion: John moved to the office, or Julius is a swan.