Given below are four jumbled sentences. Pick the option that gives their correct order.

P. No one used to get down at the station and nothing happened there. 

Q. Ruskin Bond used to spend his summer at his grandmother’s house in Dehradun.

R. While taking the train, he always had to pass through a small station called Deoli.

S. Until one day he sees a girl selling fruit and he is unable to forget her.