哪 个 是 爷爷
na3 ge4 shi4 ye2
pro:wh cl v:cop n:relat
哪 个 是 爷爷 !
n a˧˩˧ WORD_BOUNDARY k ɤ˥˩ WORD_BOUNDARY ʂ ɻ̩˥˩ WORD_BOUNDARY j e˧˥ WORD_BOUNDARY 
哪 WORD_BOUNDARY 个 WORD_BOUNDARY 是 WORD_BOUNDARY 爷 爷 WORD_BOUNDARY