In the question given below, the passage consists of six sentences. The first and sixth sentences are given at the beginning. The middle four sentences have been removed and jumbled up. They are labelled as, P, Q, R, and S. Find out the proper order for the four sentences.
S1: A gentleman who lived alone always had two plates placed on the table at dinner time.
P: One day, just as he sat down to dine, the cat rushed into the room.
Q: One plate was for himself and the other was for his cat.
R: She dropped a mouse into her own plate and another into her master's plate.
S: He used to give the cat a piece of meat from his own plate.
S6: In this way, the cat showed her gratitude to her master.
The proper sequence should be