Study the following information carefully and answer the given questions.
Eight men A, B, C, D, E, F, G and H are sitting around a square table facing towards the center. Each person is of different age viz. 21, 52, 37, 27, 32, 47, 38 and 42. Men whose ages are even numbers are sitting on the sides and men whose ages are numbers are sitting on the corners. Three persons sit between B and F. One person sits between C and one who is 52 years old. C sits third to the right of A. 52 years old man and 21 years old man are immediate neighbours. H is 38 years old and sits third to the right of F. Sum of the ages of the immediate neighbours of 42 years old man is a perfect cube. E sits third to the left of G. G is sits to the immediate left of the 47 year old man. B sits to the immediate left of C.
Four of the given five are alike in a certain way based on the given arrangement and hence form a group. Which is the one that does not belong to that group?