Task: Question Answering
Input (English): Question: Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75 percent fescue. If a mixture of X and Y contains 30 percent ryegrass, what percent of the weight of this mixture is X ?

 Option A: 10%

 Option B: 33.33 %

 Option C: 40%

 Option D: 50%

 Option E: 66.66 %
Output (English): Option B