In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

---

S1: Films developed from the silent stage to the talkie stage with a tremendous mass appeal.
P: Film makers of those days used film media to portray our struggle for freedom.
Q: The thirties and forties were decades of tremendous social, political and cultural upheavals.
R: That is what 'Alam Ara' did to the delirious delight of the audience and thus triggered off a revolution.
S: In the turbulent thirties, the silent Indian films began to talk, sing and dance.
S6: Extolling the virtues of bravery and making patriotic films was the order of the day.
The Proper sequence should be: