Task: Question Answering
Input (English): \(A\) (5, 1) lies on a circle whose center is \(O\) (1, 5). If \(AB\) is a diameter, what are the coordinates of \(B\) ?
(A)(3, 3) (B)(6, 6) (C)(-1, 5) (D)(-1, 10) (E)(-3, 9)
Output (English): E