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
L