List the names of borrowers with overdue books.

What will be an ideal response?

RA: ? borrowerName (Borrower borrowerNo (? dateDue>‘today’s date’ (BookLoan)))
TRC: {BW.borrowerName | Borrower(BW) ? (?BL) (BookLoan(BL) ?

(BW.borrowerNo = BL.borrowerNo) ? (BL.dateDue> ‘today’s date’))}

DRC: {borrowerName | (?bNo, bAddress, copyNo, dOut, dDue)

(Borrower(bNo, borrowerName, bAddress) ? BookLoan(copyNo, dOut,
dDue, bNo) ? dDue>‘today’s date’)}