Consider the following relations for a database COURSE ENROLLMENT that keeps track of student enrollment in courses and the books adopted for each course:

STUDENT $($SSN$,$ Name, Major, Bdate$)$

COURSE $($Course#$,$ Quarter, Cname, Dept$)$

ENROLL $($SSN$,$ Course#$,$ Quarter, Grade$)$

BOOK$\_$ADOPTION $($Course#$,$ Quarter, Book$\_$ISBN$)$

TEXT $($Book$\_$ISBN, Book$\_$Title, Publisher, Author$)$

$(12$ points$)$ Specify the foreign keys for this schema using the following $1$D notation