The question below consists of a set of labeled 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‘Z aina Lank’.
S. This island was constructed by King Zainul-Abi-Din.