Eight friends P, Q, R, S, T, U, V and W are sitting in a row facing North. 

i. Q sits to the immediate right of P, who is at one of the extreme ends of the line. 

ii. Q sits third to the left of T. 

iii. There are two persons between W and T.

iii. U is not an immediate neighbor of S and sits to the immediate left of V. 

iv. There are three persons between V and R. 

Who are sitting between Q and T?