The members of the printing group and the bookbinding group are mainly from the following seven employees - F, G, H, J, K, L and M  The members of each group must meet the following conditions: (1) Each group has at least 3 employees   (2) F and K cannot be in the same group  (3) If K is in a certain group, J must also be in this group  (4) M is a member of at least one of these two groups
(5) Both groups have at least one same employee
The number of members of the bookbinding group is at least one more than that of the printing group.