The ER diagram below represents the structure of a database for a veterinary clinic. Select ALL correct statements about the given diagram. @@ m on Select one or more: a. In order to uniquely identify each treatment. it is necessary to have the date of the treatment the number of the vet, the name of the pet and the number of the customer. CI b. A pet can be given just one medication on a given day. c. In order to uniquely identify a pet. it is necessary to use the pet's name and the customer number. d. A pet can havejust one treatment on a particular day. CI e. Each customer has exactly one pet. [I f. The owner of the TREATMENT week entity type is VET. 9. Each pet hasjust one owner