Each of the following items in this section consists of a sentence, parts of which have been jumbled. These parts have been labeled as P, Q, R, and S. You are required to re-arrange the jumbled parts of the sentence and mark your response accordingly.

Freud as an applied scientist, and (P)/ indeed he is widely regarded as the (Q)/ twentieth century's  master  clinician (R)/ it is easy to accept (S).