Directions: The following question consists of a sentence, the parts of which have been jumbled. These parts have been labelled as P, Q, R and S. Given below the sentence are four sequences namely (1), (2), (3) and (4). You are required to rearrange the jumbled parts of the sentence and select the correct sequence.

The doctor told (P) the patient (Q) to give an injection to (R) the nurse (S) after every four hours