( (CP-Q (IP (ADVP-WH (AD 怎么)) (NP-SBJ (IP-APP (NP-SBJ (-NONE- *pro*)) (VP (VV 打呼噜))) (NP (NN 声音))) (VP (VC 是) (NP (NN 嗯嗯声)))) (SP 啊) (PU ?)))
ARG0: *pro* REL: 打呼噜