In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

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S1: Venice is a strange and beautiful city in the north of Italy.
P : There are about four hundred old stone bridges joining the island of Venice.
Q : In this city there are no motor cars, no horses, no buses.
R : These small islands are near one another.
S : It is not an island but a hundred and seventeen islands.
S6: This is because Venice has no streets.
The Proper sequence should be: