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: The lion used to be very widely distributed in Africa and Asia. 
P: There are special forest zones set aside for wildlife in various countries.  
Q: Indiscriminate killing by hunters has been the cause of this drastic fall in their numbers.  
​R: Today they are a relatively rare species.
S: If the species survives at all, it will be only in national parks. 
S6: No hunting is permitted in such reserved areas.