The following six sentences come from a paragraph. The first and the last sentences are given. Choose the order in which the four sentences (PQRS) should appear to complete the paragraph.
S1. Gandhi's first political fast was made soon after his return from Africa.
P. He did not fast against the mill owners but in order to strengthen the determination of strikers.
Q. He had also received help from this man's sister.
R. This was when the poor laborers of the cotton mills of Ahmedabad were on strike.
S. He was a friend of the largest mill owner.
S6. Gandhi had made the strikers promise to remain on strike until the owners agreed to accept the decision of an arbitrator.