Directions: Study the following information carefully and answer the questions that follow:

Nine boxes A, B, C, D, E, F, G, H, and I are kept one above the other not necessarily in the same order. Three boxes are kept between A and B. Equal number of boxes are kept above and below A. Number of boxes kept above B is same as the number of boxes kept below C. Only two boxes are kept between C and I. One box is kept between A and G, which is not kept immediate above I. No box is kept between F and D,  which is not kept above F.  E is placed below H, which is kept immediate below D.

Q:

Four of the following five are alike in a certain way and so form a group, find the one which does not belong to the group.

• 1
  AG
• 2
  BD
• 3
  FH
• 4
  IC
• 5
  DA