Seven kids M, N, O, P, Q, R and S are standing in a row facing North. S is to the immediate right of P and to the immediate left of N. M is on the immediate right of O. M and P have one kid standing between them. Q and N have two Kids between them. P and R have also two Kids standing between them.
Who is exactly in the middle?

A

P

B

O

C

S

D

M