Task: Question Answering
Input (English): Question: A bag contains 12 white and 18 black balls. 2balls are drawn in succession. What is the probability that first is white and second is black?

 Option A: 35/145

 Option B: 36/145

 Option C: 36/140

 Option D: 36/141

 Option E: 31/142
Output (English): Option B