( (IP (IP (NP-SBJ (-NONE- *pro*))
(VP (VP (ADVP (AD 然后))
(NP-ADV (PN 自己))
(VP (VV 弹琴)))
(PU ，)
(VP (VV 知道)
(IP-OBJ (NP-SBJ (-NONE- *PRO*))
(VP (VP (BA 把)
(IP-OBJ (NP-SBJ-2 (NN 声音))
(VP (VRD (VV 调)
(VA 低))
(NP-OBJ (-NONE- *-2)))))
(PU ，)
(VP (ADVP (AD 不))
(VP (VV 能)
(VP (VV 打扰)
(IP-OBJ (NP-SBJ (NN 隔壁)
(NN 老奶奶))
(VP (VV 休息)))))))))))
(PU ，)
(IP (NP-SBJ (-NONE- *pro*))
(VP (ADVP (AD 真))
(VP (VC 是)
(NP-PRD (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VV 懂事)))
(DEC 的)))
(NP (NN 宝宝))))))
(PU 。)))
ARG0: *PRO*
ARGM-ADV: 不
ARG1: 隔壁老奶奶休息
REL: 打扰