Task: Explanation
Input (English): Ardleigh Reservoir is a 120 acre lake near Colchester in Essex constructed in the valley of the Salary Brook. It supplies water both to Anglian Water and to Veolia Water East. The lake is also used for recreational activities including sailing and angling. Both game and coarse fish are present including pike and zander. Question: Ardleigh Reservoir supplies water to what company that is regulated under the United Kingdom Water Industry Act 1991? Answer: Anglian Water
Output (English):  It supplies water both to Anglian Water and to Veolia Water East.