PLEASE SOLVE THE FOLLOWING QUESTION ITS VERY URGENT DIFFICULTY IN FACING IT

Q Determine the cardinality and modality (Min/Max labelling) for the given entities

a) An employee can work in many departments or no departments, and a department can have several employees.

b) An employee can work at most and at least in one department, and a department can have several employees, some of the departments has no employees.

c) A patient can visit many doctors, but a doctor can check only 10 patients.

d) A mechanic can fix maximum 5 cars in a day, but the cars can be fixed by any mechanic. Someday mechanic dont have any cars to be fixed.

e) A student fills a seat. 1 student can fill a maximum of 1 seat. 1 seat can be filled by a maximum of 1 student.

f) A bowler can bowl many overs and many overs can be played by many batsmen. Some bowlers dont bowl in a match, similarly some batsmen dont get bat.

g) An instructor teaches at least a single course. One instructor can teach many courses, but one course can only be taught by one instructor.

h) A student takes at least 3 courses, whereas a single course can be taken by many students.

i) A professor teaches a section of a course. One professor can teach many sections of a course, and 1 section of a course can only be taught by 1 instructor.

j) An author writes many books and books can be written by many authors.