Prove that these tables are 3rd normal.

Tour TOUR ID INT Tour has Guide v TOUR NAME VARCHAR(45) t Tour TOUR ID INT TOUR LENGTH INT t Guide GUIDE EMPID INT TOUR FEE INT Indexes Indexes CLIENT CLIENT ID INT CLIENT NAME VARCHAR (45) CLIENT PHONENUM VARCHAR(4... t Tour TOUR ID INT Indexes OUTING has CLIENT V t OUTING OUT ID INT t CLIENT CLIENT ID INT Indexes Guide GUIDE EMPID INT GUIDE NAME VARCHAR(45) GUIDE ADDRESS VARCHAR (45) GUIDE HIREDATE VARCHAR(4 GUIDE QUALDATE VARCHAR (45) LOCATION LOC ID INT Indexes LOCATION LOC ID INT LOC NAME VARCHAR(45 LOC TYPE VARCHAR (45) LOC DESCRIP VARCHAR (45) t OUTING OUT ID INT Indexes OUTING OUT ID INT OUT LOC VARCHAR (45) OUT DATE8TIME VARCHAR(45) Indexes