Input (grade 13): To save the fleet of trams from the intensive bombing of Southampton during World War II, they were painted gray, regular services ceased at 7pm and they were parked up overnight in Cemetery Road on Southampton Common.
Output (grade 8): To save the fleet of trams from the intensive bombing of Southampton during World War II they were painted gray. Regular services stopped at 7pm and they were parked up overnight in Cemetery Road on Southampton Common for the same reason.