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: Democracy, more than any other form of government, needs good citizenship.
S6: That is not the instinct of the natural man, yet somehow that habit has to be acquired.
P: But it has to be freedom of service self-chosen and sometimes of sacrifice self-imposed.
Q: Under absolutism or dictatorship, men are forced into line.
R: Freedom is the essence of democracy: the more complete the democracy, the more complete the freedom.
S: But in a democracy, things are not so simple.
The proper sequence should be: