Task: Question Answering
Input (English): Question: The variable x is inversely proportional to the square of the variable y. If y is divided by 5a, then x is multiplied by which of the following?

 Option A: a. 1/25a

 Option B: b. 1/25a^2

 Option C: 1/5a

 Option D: 25a

 Option E: 25a^2
Output (English): Option E