1-Draw the class diagram, including association classes if required.

2-Describe each association in English (both directions).

3- Draw the relation scheme.

a-You have a list of job applicants, and a list of interviewers. Each applicant goes through multiple interviews with different interviewers, and each interviewer hosts multiple interviews with different applicants. The applicant meets with each interviewer once.

b-Developers write Technical Articles. Their Articles can be can be published in multiple Publications. Each of those Publications publish many articles.

c-A hotel tracks customer reservations and the payments made for each of those reservations. A guest can have multiple reservations under their name as well as multiple payments for their stay recorded in their name.