Provide a relational algebra for the following queries.

Hi all, I have completed the first 6 questions but having trouble with the more complicated ones. Thanks

DATABASE: RESTAURANT (Restaurant_name[pk], City, Phone, Owner_SSN[fk]) FOOD (Food_name[pk], Type, Country) CUST (SSN[pk], Name, Birth_year, Fav_food[fk], Gender) LIKES (SSN[fk], Food[fk]) SERVES (Restaurant[fk], Food[fk]) OWNER (SSNIpk], Name, City, Address, Phone) Provide a relational algebra for the following queries: 7) List the name of the restaurants whose owners live in Lafayette. 8) List the name of owners whose restaurants serve food type A" 9) List phone numbers that are recorded both for the restaurant and the owner phone (you cannot use JOIN for this question) 10) List name of owners who live in the same city that Mr. "Henry" (name of one of the owners) lives