i$.$ Each workshop has a name, and happens on a particular date $$ or dates, as some workshops last more than one day. ii$.$ There are several participants, each of which may sign up to one or more workshops. iii. For each participant, it is important to record their name, email address, and the workshops which they wish to attend. iv$.$ There are a number of meeting rooms at the conference venue, each of a fixed capacity. Meetings rooms are identified by a floor and room number. v$.$ Every workshop needs an allocated meeting room; where a workshop lasts for two days, it will use the same room on both days.

b$)$ Explain in detail how you arrived at the cardinalities and participations in your ERD.