Three statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All birds are crows. Some crows are parrots. No crow is a pigeon. Conclusions: I. No parrot is a pigeon. II. Some birds are parrots.

Given below are two statements followed by four conclusions: Statements: (I) All green are blue. (II) All blue are orange. Conclusions: (1) Some blue are green. (2) Some orange are green. (3) Some green are not orange. (4) All orange are blue. Choose the correct option:

Statements: All songs are melodies. Some melodies are tunes. All tunes are rhythmic. Conclusions: I. Some melodies are rhythmic. II. All songs may be tunes.