Task: Question Answering
Input (English): Context: And every once in awhile it would leap across my bow with a frustrated growl , plow through the field to the just - as - backed - up frontage road and into the snarling midst of others just like itself . The fire of the eighteen - wheeler was so intense that it damaged the road itself . When I finally drove by the scene of the accident , they were repaving some of the highway . The truck had been burned so badly it had fallen to pieces that they picked up with a bulldozer . 
Question: Why did they need to lift the vehicle up with the help of a bulldozer ?
Output (English): The vehicle was put on fire due to an accident it had been involved with .