questionFromString.label: IBPS RRB PO Prelims 2017

Eight boxes A, B, C, D, E, F, G, and H are placed one above the other in any particular order. Box no. 1 is at the bottom and box no. 8 is at the top. Three boxes are placed between A and B. Box H is placed immediately below A. There are two boxes between H and G. There are as many boxes between C and D as between H and B. Box C is kept above D. Box E is kept immediately below box D. Three boxes are there between E and F.

Which of the following boxes in kept at the top?