View1 Has Entity Type CUSTOMER with Attributes CID, LAST_NAME, FIRST_NAME

View1 has entity type CUSTOMER with attributes CID, LAST_NAME, FIRST_NAME, ADDRESS (which includes, number, street, city, state, zip) , SALESPERSON, EMPID)
View2 has entity type CLIENT with attributes ID, LNAME, FNAME, ADDRESS (number and street) , CITY, STATE, ZIP, CLIENT_SINCE (year) , and entity type EMPLOYEE (ELNAME, EFNAME, EMPNO, DNAME) . There is a 1-M relationship from EMPLOYEE to CLIENT (an employee may be the salesperson responsible for several customers) .
CLIENT and CUSTOMER contain essentially the data for the same customers. In CUSTOMER, SALESPERSON (further identified by EMPID) represents the salesperson (last name, first name) responsible for the customer. It is a foreign key referencing the table EMPLOYEE (primary key: EMPNO) . View1 and View2 must be integrated.

-Which of the following groups of names would be considered to be homonyms?

A) ADDRESS in CUSTOMER and ADDRESS in CLIENT
B) CID in CUSTOMER and ID in CLIENT
C) LAST_NAME and LNAME
D) All of the above