Which of the following passengers could be assigned to sit in the same row as Q?

There are eight seats in a small plane. These seats are arranged in four rows, numbered 1 through 4 and each row has two seats, six seats are assigned to six passengers N, P, Q, R, S and T. Seat assignments are made according to the following conditions :. N must sit alone in a row, P must seat in the same row as R, Q cannot sit in the same row as S The rows with only one passenger must be row 1 and row 3