Directions: In each of the following sentences, some parts of the sentence have been jumbled up. You are required to rearrange these parts which are labeled as P, Q, R, S to produce the correct sentence. Choose the proper sequence from the alternatives provided. 

You cannot be a winner in the

P. happy, lead a purposeful life, realize

Q. society unless you are a positive thinker

R. your goal and contribute to your

S. true sense, be both successful and