Task: Question Answering
Input (English): If \(a = \frac { 4 } { 3 } \), then \(\frac { 4 } { a } - \frac { a } { a - 1 } \) =
(A)-3 (B)-1 (C)\(\frac { 3 } { 4 } \) (D)1 (E)3
Output (English): B