Task: Question Answering
Input (English): Question: The contents of a certain box consist of 80 apples and 30 oranges. How many oranges must be added to the box so that exactly 50% of the pieces of fruit in the box will be apples?

 Option A: 45

 Option B: 50

 Option C: 55

 Option D: 60

 Option E: 65
Output (English): Option B