Database management Relational Calculus question

StaffMember(Uniqname, FirstName, LastName, Role, CityID) City (CityID, CityName, StateOrProvince, Country) Fruit(FruitID, Name, VitaminC) Enjoys(Uniqname, FruitID) Note: The VitaminC attribute of the Fruit table represents the milligrams of vitamin C that the fruit contains. The CityID field of the Staff Member table refers to the hometown city of staff members. The Enjoys table stores data on which staff members enjoy which fruits. Given the above schema, write relational Calculus statements for the following statements: E. Find the uniqnames of the staff members who enjoy the fruit named "Mango' and are from the state of Michigan'. (5 points) F. Find the names of all the fruits that are enjoyed by at least one staff member from the city 'New York. (5 points)