Task: Question Answering
Input (English): Question: Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machine Y. At these rates, if the two machines together produce 5/4 w widgets in 3 days, how many days would it take machine X alone to produce 5w widgets?

 Option A: 4

 Option B: 30

 Option C: 8

 Option D: 10

 Option E: 12
Output (English): Option B