Directions: The sentences given in the following question, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. The first and last sentences of the paragraph are given and are labelled (S1) and (S2). Choose the most logical order of sentences from among the given choices to construct a coherent paragraph.
(S1) In many ancient societies, such as those of Egypt and Greece, dreaming was considered a supernatural communication or a means of divine intervention. (P) The messages in dreams could be unravelled by people with certain powers. (Q) Some modern researchers have postulated that dreams have a biological function, where the content requires no analysis or interpretation. (R) Dreams have been held in considerable importance through history by most cultures. (S) In ancient Egypt, priests acted as dream interpreters. (S2) Though, various schools of psychology and neurobiology have offered theories about the meaning and purpose of dreams.