The following four labelled sentences P, Q, R and S, when properly sequenced, form a coherent paragraph about the Hindu festival of Holi. Select the most logical order.

Introduction / Context:
This para-jumble describes the Hindu festival of Holi. The sentences mention the month, the two-day nature of the festival, the rituals of Holika Dahan and the playing of colours. A coherent paragraph needs to introduce the festival, explain its structure and then describe each day's events in order.

Given Data / Assumptions:
- Q: Holi is a religious Hindu festival celebrated with lots of preparations in the month of Phalgun.
- P: People celebrate it as a two-day festival; first day as Holika Dahan and second day as colourful Holi.
- R: At Holika Dahan, they burn a heap of sticks, straws and cow-dung cakes lying in the mid of streets in the late evening or night.
- S: And, next day in the morning, they celebrate a colorful Holi by playing colours with friends, family members and neighbours.
- We need an order that introduces the festival, states it is a two-day celebration, then explains what happens on each day in correct sequence.

Concept / Approach:
The best opening is Q, which names the festival and mentions when and how it is celebrated. Next, P tells us that Holi is a two-day festival and identifies the names of each day: Holika Dahan and colourful Holi. Once we know the structure, R should come next to describe the first day's ritual of burning a heap of sticks and other materials. Finally, S describes the second day's joyful colour play. This gives a smooth and chronological narrative: Q–P–R–S.

Step-by-Step Solution:
Step 1: Choose Q as the introduction, as it defines Holi and sets the time period (month of Phalgun).
Step 2: Add P to explain that it is a two-day festival and to label the days as Holika Dahan and colourful Holi.
Step 3: Insert R to describe the specific ritual of Holika Dahan, which is performed on the first day.
Step 4: Conclude with S, which narrates the colourful celebration on the second day with family, friends and neighbours.

Verification / Alternative check:
Reading QPRS as one paragraph makes sense: first you learn what Holi is, then that it is a two-day festival, then what happens on day one, and finally what happens on day two. Starting with P or R would be confusing because they immediately mention Holika Dahan or “it” (the festival) without clear introduction.

Why Other Options Are Wrong:
- PQRS: Starts with P, which refers to “it” (the festival) before introducing Holi explicitly.
- RPQS and QRPS: Misplace the explanations of each day, breaking the chronological order of first day then second day.

Common Pitfalls:
In festival-based para-jumbles, always locate the sentence that names the festival and explains when it is celebrated; that typically serves as the best opening. Look for time-sequence markers such as “first day”, “next day”, “then”, and place sentences accordingly to maintain the correct timeline of events.

Final Answer:
The most logical order of the sentences is QPRS.