State name of students who have been absent for 5 months from school and do not have payment due.
absent for 5 months refers to month = 5; do not have payment due refers to bool = 'neg';
SELECT T1.name FROM longest_absense_from_school AS T1 INNER JOIN no_payment_due AS T2 ON T1.name = T2.name WHERE T1.month = 5 AND T2.bool = 'neg'