Task: Explanation
Input (English): The FV4034 Challenger 2 is a British main battle tank (MBT) in service with the armies of the United Kingdom and Oman. It was designed and built by the British company Vickers Defence Systems (now known as BAE Systems Land & Armaments). Question: What does the Challenger 2 have in common with the Challenger 1? Answer: British main battle tank
Output (English): The FV4034 Challenger 2 is a British main battle tank MBT in service with the armies of the United Kingdom and Oman.