Print) Las 1. Model the entities and relationships (including attributes and properties of relationships) described below in an ER-diagram (60 points) e LMF Zoohas man types of animals. Every type has a unique name. Every animal of the same type has a uniqus animal ID, Animals in two types may have the same animal ID, Animals also have age and gendet. nimals may hava diseases. The beginning time and the duration of a disease need to be recorded. A disease has a uniquename. A type keeper takes care of only one type of animals. Every type may have many type keepers. A type keeper may or may not be familiar with diseases. But every disease must be handled by at least one type keeper. Type keepers have name, employee ID, ssn, address and phone number. All animals are in cages. Some cage may be empty. Every cage has a cage ID, space and height. A cage keeper may take care of many cages. Every non-empty cage must have at least one cage keeper. Empty cages don't need any cage keepers. Cage keepers have name, employee ID, ssn, address and phone number. 2. Let set A = {John, Jessica, Alex), set B (Swimming, Tennis, Basketball, Baseball), set C (Alex, Amy, Michael) 2.1 Find A- (15 points)