S1: One fine morning, I heard a sound of fire engines with loud alarm bells.

S6: It was a terrible scene, as huge flames of fire were coming out of the house.

P: I thought, perhaps a house was on fire.

Q: They were regulating the crowd.

R: The policemen were standing around a big house.

S: I immediately rushed out to see what was happening.

The proper sequence should be

In this question each  items consists of a word in capital letters, followed by four…

In this question each  items consists of a word in capital letters, followed by four…

In this question each  items consists of a word in capital letters, followed by four…

In this question each  items consists of a word in capital letters, followed by four…

In this question each  items consists of a word in capital letters, followed by four…