• (A) All books are friends. All friends are dangerous. Therefore, all dangerous are books.
• (B) All tables are ants. Some chairs are ants. Therefore, all ants are tables.
• (C) No man is a monkey. John is a man. Therefore, John is not a monkey.
• (D) All birds are parrots. Manish is a parrot. Therefore, Manish is a bird.