Explanation:

- (Q): Many of the people who had come to

- (P): Participate in the function

- (R): The auditorium was over-crowded

- (S): Could not find a seat because

Options breakdown:

1. P R Q S: This order does not form a coherent sentence.

2. P Q R S: Also fails to make a proper sentence as it starts improperly.

3. Q P S R: This forms "Many of the people who had come to participate in the function could not find a seat because the auditorium was over-crowded," a coherent sentence.

4. S P R Q: Sentence structure is not logical.

- Correct Answer: Option 3 - Q P S R

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