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 in each have been removed and jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark accordingly on the Answer Sheet. 

S1: Man, when first came, must have been surrounded by great animals and he must have lived in fear of them. 
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. 
S6: Gradually, however, a man raised himself and became more and more powerful till he became stronger than any animal.