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. Smoke billowed up between the plants.
P. Passengers were told to be ready to quit the ship.
Q. The rising gale fanned the smoldering fire
R. Everyone now knew there was a fire on board.
S. Flames broke out here and there.
S6. Most people bore the shock bravely.