Task: Question Answering
Input (English): Question: Out of 15 students in a class, 8 are wearing blue shirts, 4 are wearing green shirts, and 3 are wearing red shirts. Four students are to be selected at random. What is the probability that at least one is wearing a green shirt?

 Option A: 39/61

 Option B: 49/71

 Option C: 59/81

 Option D: 69/91

 Option E: 79/101
Output (English): Option D