Directions: The following passage consists of six sentences. The first and sixth sentences are given in the beginning as S1 and S2, respectively. The middle four sentences in each have been jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and indicate your answer accordingly.

S1: The field of humor research developed as an autonomous area of research in the mid-1970s. S2: Finally, the release theories are more concerned with the effects of humor on the psyche. P: It developed as the first scholarly conferences dedicated to the analysis of humor were held and their proceedings published. Q: In linguistics, the affiliative aspect of humor has dominated the field of the discourse analysis of humor, which is somewhat of an anomaly within humor research. R: Needless to say, psychologists, philosophers, sociologists, literary scholars, and the odd linguist had long before concerned themselves with humor, so much so that the earliest theories of humor go as far back as Plato and Aristotle. S: The linguistics of humor is more generally concerned with incongruity theories as they describe the cognitive mechanisms that cause humor.