Task: Explanation
Input (English): Prasutagus was king of a British Celtic tribe called the Iceni, who inhabited roughly what is now Norfolk, in the 1st century AD. He is best known as the husband of Boudica. Question: Prasutagus is best known as the husband of a queen who led an uprising against the occupying forces of what? Answer: the Roman Empire
Output (English):  He is best known as the husband of Boudica.