The following question consists of an incomplete sentence or a sentence that is split into four parts. All four parts are jumbled up and are named P, Q, R, and S. These four parts are not given in their proper order. Arrange the jumbled parts of the sentence and find out which of the four combinations from the given options will correctly complete the sentence.

No one can deny that farmer form the backbone of the nation______________________we should grant him the social status he deserves.

P: Hence he is the most useful member of society.

Q: but this fellow is exploited by the rich.

R: He grows food for the whole country.

S: It is our duty to improve his lot.