Four sentences in the form of P, Q, R and S are given below which are not arranged chronologically. Select the option in which they are arranged chronologically.

P. The battle was fought in Kurukshetra near Delhi in which many kings and princes took part.

Q. The Pandavas defeated the Kauravas.

R. Thereafter the Pandavas established peace and tranquillity in the kingdom.

S. The Mahabharata is a story about a great battle between the Kauravas and the Pandavas.