Task: Question Answering
Input (English): Question: The seating chart of an airplane shows 30 rows of seats. Each row has 3 seats on each side of the center aisle, and one of the seats on each side is a window saet. The view from the window seats in 15 of the rows is obscured by the wings of the airplane. If the first person to be assigned a seat is assigned a window seat and thw window seat is assigned randomly, what is the probability that the person will get a seat with an unobscured view?

 Option A: 1/6

 Option B: 1/2

 Option C: 2/3

 Option D: 5/6

 Option E: 17/18
Output (English): Option B