{motive : Std.Time.OffsetX → Sort u} →
  motive Std.Time.OffsetX.hour →
    motive Std.Time.OffsetX.hourMinute →
      motive Std.Time.OffsetX.hourMinuteColon →
        motive Std.Time.OffsetX.hourMinuteSecond →
          motive Std.Time.OffsetX.hourMinuteSecondColon → (t : Std.Time.OffsetX) → motive t