Directions: In the following items, each passage consists of six sentences. The first sentence (S1) and the final sentence (S6) are given. The middle four sentences (P, Q, R, S) have been jumbled. Find the proper sequence.

S1: Man, when first came, must have been surrounded by great animals and he must have lived in fear of them.

S6: Gradually, however, man raised himself and became more and more powerful till he became stronger than any animal.

P: He makes the animals do what he likes.

Q: But in those days he was not the master but a poor hunted creature himself trying to keep away from the great animals.

R: Today man is the master of the world.

S: Some he tames, some he eats and some he shoots for pleasure.