Which of the following statements are true regarding the two structures ... ...

Which of the following statements are true regarding the two structures (Compounds I & II) drawn below? Statement (1) - Compound I is glucose. Statement (2) - Compound II is glucose. Statement (3) - Compound II is fructose. Statement (4) - Compound II is fructose.
(A) Statements 1 & 2
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 29. Carbohydrates