Recently, in order to enliven the cultural atmosphere of the village, a village has launched a unique cultural activity of ploughing and reading, and there are a number of interested societies for villagers to choose from  It is known that the registration is as follows: (1) the villagers participated in at least one of the poetry club and calligraphy club; (2) if the villagers joined the poetry club, they did not join the choir; (3) Zhang joined the choir
After knowing the above situation, the village director concluded that Zhang also joined the fan club
Those who do not join the fan club will not join the calligraphy club.