General Intelligence · Syllogism

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: Some roses are pink. All pink are pigs. Some pigs are birds. Conclusions: I. Some birds are pink. II. Some pigs are pink. III. Some pigs are roses. IV. Some birds are roses.