The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

P. Main source of water for Wular Lake is River Jhelum.

Q. Wular Lake is also said to be a remnant of Satisar Lake that existed in ancient times.

R. This lake also has a small island in its centre called the ‘Zaina Lank’.

S. This island was constructed by King Zainul-Abi-Din.