Consider the following relations
RENTER(rno, fname, lname, address, tel_no, pref_type, max_rent)
VIEWING(rno, pno, date, comment)
PROPERTY_FOR_RENT( pno, street, area ,city, pcode, type, rooms, rent)
Express the following queries in relational algebra.
(i) List the name and comments of all renters who have viewed a property.
(ii) Identify all renters who have viewed all properties with three rooms.