Don't forget the 'R' in BARBIE

In a class where the students were learning about Boolean expression simplification....
L: ok class..ape jawapan untuk soalan pertama?
S: aaa miss, nak sebut takut mencarut pulak nanti miss..
*The answer supposed to be A'B - A bar B*
L: ish kamu ni..ape2 je la yang kamu fikirkan..*looking at S paper*..sebut la betul2.."A barrrr B"
S: ooo macam tu ye miss
couple of students: A barrrrrbie....A barrrrrbie

*S = student L = lecturer