which of the followings are weak key attributes, derived attribute, entity rounded, weak entity, multivalue attribute, associative entity and identifying relationship are of the following listed enitites, attributes and relationships: hospital(HOSP_NAME, COUNTRY ,ADDRESS) medicine(REG_NO ,MED_NAME,PRICE ,EXP_DATE) doctor( DOC_ID NUMBER, DNAME, GENDER, QUALIFICATION ,JOB_SPECIFICATION ,HOSP_NAME ) nurse(  NURSE_ID NUMBER, NAME ,GENDER ,DOC_ID NUMBER, HOSP_NAME) patient(SSN NUMBER ,FNAME ,LNAME ,AGE,GENDER ,NURSE_ID NUMBER ,REC_ID) reception(REC_ID NUMBER,TEL_NO ,EMAIL ,HOSP_NAME ) appointment(APPOINT_NO NUMBER, APPOINT_DATE DATE , APPOINT_TIME time,REC_ID NUMBER) visit(VISIT_DATE DATE, SSN NUMBER, HOSP_NAME ) purchase(SSN NUMBER, DOC_ID NUMBER) medicine country( REG_NO NUMBER, MAN_COUNTRY )

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