Which of the following statements is logically equivalent?
(A) Some animals are birds.
(B) Some birds are animals.
(C) Some animals are not non-birds.
(D) Some animals are non-birds.
(E) Some non-birds are not non-animals.
Choose the most appropriate answer from the options given below:
1
(A), (B) and (C) only
2
(A), (C) and (D) only
3
(B) and (C) only
4
(B), (C), (D) and (E) only