Aman is blind-folded and he is asked to differentiate some pairs of items. Which of the following pairs of items can he differentiate?
(A) A glass of orange juice and a glass of plain water.
(B) A piece of red and a piece of blue cloth.
(C) A round ball and a rectangular box.
(D) An empty piggy bank and a piggy bank with some coins in it.
A (A) and (D) only
B (B) and (C) only
C (A), (C) and (D) only
D (A), (B), (C) and (D)
The correct answer is C