What is the result of rst performing the cross product of student and advisor, and then performing a selection operation on the result with the predicate s_id = ID? (Using the symbolic notation of relational algebra, this query can be written as s_id=ID(student advisor).) employee (person name, street, city)

works (person name, company name, salary)

company (company name, city)

branch(branch name, branch city, assets)

customer (customer name, customer street, customer city)

loan (loan number, branch name, amount)

borrower (customer name, loan number)

account (account number, branch name, balance)

depositor (customer name, account number)