Who among the following person doesn’t form a group?

Answer the questions based on the information given below. Eight persons A, B, C, D, E, F, G and H live on different floors of aneight-storey building, where the bottommost floor is 1 and the floor above it is 2 and so on. They all have different genders
i.e. male and female. Not more than two persons of same genders live on adjacent floors.Number of males is more than that of the number of females. Three persons live between D and the one who lives two floors above B, who is male. B doesn’t live above the 4th floor. A lives two floors below C, neither of them lives adjacent to D and
B. D lives above
C. The one who lives on the 2nd floor from the top is female. The number of person lives above G is one more than the number of person lives below E. At most two people live above G. Neither A nor G is female. D doesn’t live adjacent to E. H lives above F, who is male.