A school teacher is trying to assign seats to six students Tonima Tarin Shuvo, Novo Ashik and Rashik. A classroom has eight seats in four rows of two seats each arrangement must be made according to the following conditions.
-Tonima must sit alone in a row
-Train must sit in the row as Nova
-Shuvo can not sit in the same row as Ashik; and
-The rows with only;y one student must be row and row three.