RIDDLE:Teacher: Brain! which stick touches heaven and earth?
Immediatly Brain stand up and ran home and father asked “Brain why did u come home by this time, have u close?” “papa me i don tired for this school o!, they don’t even sabi book at all, last class they asked me “what is past tense of think?” and today they asked me “which stick touches heaven and earth?” are they any stick touche heaven and earth? Father: don’t mind them, there is no stick touches heaven and earth, the teacher is mumu.
Who come be mumu between teacher and brain’s father?