Task: Question Answering
Input (English): Question: There are 3 numbers A, B and C. If A:B = 3/4, B:C = 4/5, C:D = 5/6, then B:D will be?

 Option A: 1 : 2

 Option B: 3 : 5

 Option C: 2:3

 Option D: 6 : 11

 Option E: 5 : 3
Output (English): Option C