Task: Question Answering
Input (English): Question: If John takes 7 minutes to eat x raisins, how many seconds will it take him to eat z raisins, assuming he continues to eat at the same rate?

 Option A: 420xz

 Option B: 7z/x

 Option C: 420z/x

 Option D: 7xz

 Option E: 420x/z
Output (English): Option C