In this question, the first and the last sentences of paragraph are numbered as S1 and S6. The rest of the paragraph is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct.

S1. Snakes are the most feared of all reptiles.

P. Superstition and ignorance prevents proper treatment.

Q. It is also beneficial to man.

R. Snake is not a source of fear and harm.

S. Many people are killed by snakes in India and all over the world.

S6. Medicines are made from its poison.

The proper sequence should be