Study the given information carefully and answer the question. Ten persons are seated in two parallel rows. P, Q, R, S, T sit in row-1 facing north, w...

Study the given information carefully and answer the question.

Ten persons are seated in two parallel rows. P, Q, R, S, T sit in row-1 facing north, while K, L, M, N, O sit in row-2 facing south.

I. P sits second to the right of Q. O sits immediately to the left of M. O does not sit opposite S and Q.

II. Only one person sits between L and M. L does not sit opposite R and S. K sits opposite T.

III. P does not sit opposite L and O. N sits second to the right of K. R does not sit at the extreme left end. Only two persons sit between S and P.

Question: How many persons are sitting between R and S?

Choose the correct option based on the sufficiency of the statements:

(a) Statements I and II together are sufficient, statement III is not required.

(b) Statements I and III together are sufficient, statement II is not required.

(c) Statements II and III together are sufficient, statement I is not required.

(d) All three statements I, II, and III together are necessary.

(e) Even all three statements together are not sufficient.