Which of the following pairs represent those who sit at the extreme ends of the line?

Study the following information carefully to answer the given question. Eight people R, S, T, U, V, W, X and Y are sitting in a straight line facing north but not necessarily in the same order. Each of them teaches different subjects, namely Maths, Sanskrit, History, Banking, Physics, Geography, English and Drawing but not necessarily in the same order. S sits fourth to the right of W. The one who teaches History sits on the immediate right of S. Only two people sit between the one who teaches History and the one who teaches English. The one who teaches Drawing sits second to the left of the one who teaches English. Only two people sit between T and the one who teaches Drawing. X sits on the immediate left of R. X does not sit at any of the extreme ends of the line. X sits at one of the positions to the left of S. Only three people sit between the one who teaches History and the one who teaches Maths. As many people sit between S and the one who teaches Physics as between S and the one who teaches Maths. Y sits second to the left of the one who teaches Physics. The one who teaches Geography sits third to the right of the one who teaches Sanskrit. U does not teaches Geography.