Directions: The question given below consists of six sentences. The first and the sixth sentence are given in the beginning. The rest four sentences (labeled P, Q, R & S) have been jumbled up. Find out the proper order for these four sentences.

S₁: Sunbirds are among the smallest of Indian birds. S₆ : Our common sunbirds are the purple sunbird , the glossy black species and purple-rumped sunbird, the yellow and maroon species. P : Though they are functionally similar to the hummingbirds of the New World , they are totally unrelated. Q : They do eat small insects too. R : They are also some of the most brilliantly coloured birds. S : Sunbird feed on nectar mostly and help in pollination. The proper sequence should be