哪 个 是 妈妈
na3 ge4 shi4 ma1
pro:wh cl v:cop n:relat
哪 个 是 妈妈 !
n a˧˩˧ WORD_BOUNDARY k ɤ˥˩ WORD_BOUNDARY ʂ ɻ̩˥˩ WORD_BOUNDARY m a˥ WORD_BOUNDARY 
哪 WORD_BOUNDARY 个 WORD_BOUNDARY 是 WORD_BOUNDARY 妈 妈 WORD_BOUNDARY