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 statement 'F is in the bookbinding group' must be true if both K and L are members of two groups and the printing group has exactly three members.