context: It is impossible that Daniel left the football. We believe that Julius is a lion. It is improbable that John moved to the office.
hypothesis: It is likely that either Julius is a lion, or John moved to the office.
valid_hypothesis: It is likely that either Julius is a lion, or John moved to the office.
invalid_hypothesis: Chances are slight that either Julius is a lion, or John moved to the office.
hypothesis_assertion: Either Julius is a lion, or John moved to the office.