Directions : This question consists of a sentence, parts of which have been jumbled. These parts have been labelled as P, Q, R and S. Given below each sentence are five sequences, namely (1), (2), (3), (4) and (5). You are required to re-arrange the jumbled parts of the sentence and mark your response accordingly.

higher levels of physical activity(P)/ can lower the risk(Q)/ of developing depression(R)/ several studies suggest(S).