Original sentence: A moving train collided with a train stopped ahead of it, causing its lead car to telescope, and causing the deaths of the train operator and eight passengers.The 2009 Washington Metro train collision was an accident involving two southbound Red Line Washington Metro trains during the afternoon rush hour of June 22, 2009, in Northeast Washington, D
Edited sentence: A moving train collided with a train stopped ahead of it, suffering extensive damage to its lead car and causing the deaths of its driver and eight passengers.The 2009 Washington Metro train collision was a serious accident involving two southbound Red Line Washington Metro trains during the afternoon rush hour of June 22, 2009, in Northeast Washington, D