Directions: In this question, the first and the last sentences/parts of the passage/sentences are numbered S1 and S2. The rest of the passage/sentences are split into four parts and named P, Q, R, S. These four parts are not given in a proper order. Read the passage or sentences and find out which of the four combinations is correct.

S1. At the end of the lecture (P) for sparing their valuable time (Q) the speaker thanked the audience (R) and listening to him (S) for coming to the meeting S2. patiently