要 给 爷爷 nei
yao4 gei3 ye2 nei
v prep n:relat on
要 给 爷爷 nei .
j au̯˥˩ WORD_BOUNDARY k ei̯˧˩˧ WORD_BOUNDARY j e˧˥ WORD_BOUNDARY n ei̯ WORD_BOUNDARY 
要 WORD_BOUNDARY 给 WORD_BOUNDARY 爷 爷 WORD_BOUNDARY n e i WORD_BOUNDARY