Task: Question Answering
Input (English): Question: A waiter's salary consists of his salary and tips. During one week his tips were 5/4 of his salary. What fraction of his income came from tips ?

 Option A: 4/9

 Option B: 5/4

 Option C: 5/8

 Option D: 5/9

 Option E: 6/9
Output (English): Option D