Task: Question Answering
Input (English): Question: Some of 45%-intensity red paint is replaced with 25% solution of red paint such that the new paint intensity is 40%. What fraction of the original paint was replaced?

 Option A: 2/5

 Option B: 1/4

 Option C: 1/5

 Option D: 1/7

 Option E: 2/3
Output (English): Option B