c$)$ A member may serve in one or more committees. The association maintains on each committee the committee number $($unique$),$ title, a brief description of the committee, and the type of committee $($executive$,$ social, cultural, or fund$-$raising$).$ In addition, the association maintains on each member when they joined the committee, their role $($a member can be a chairperson, secretary or just a member$),$ and the expected membership end date. A member plays only one role in a committee, and all the roles are the same for each committee, i$.$e$.,$ the responsibilities of a chairperson are the same no matter the type of the committee. $(6$ Marks$)$ I

d$)$ A committee may organize several events, which may be organized by more than one committee. The association maintains the event name, description, start and end date, location, and the number of expected participants for each event. Each even has a unique event number. $(4$ Marks$)$