Task: Question Answering
Input (English): Question: For an upcoming charity event, a male vocalist has agreed to sing 4 out of 6 “old songs” and 2 out of 5 “new songs.” How many ways can the singer make his selection?

 Option A: 25

 Option B: 50

 Option C: 150

 Option D: 480

 Option E: 600
Output (English): Option C