( (IP (IP (DFL (AD 也))
(NP-SBJ (-NONE- *pro*))
(VP (ADVP (AD 也))
(VP (VC 是)
(VP (VV 在)
(DFL (AD 也)
(VC 是))
(NP-OBJ (NN 建筑))))))
(PU ，)
(IP (DFL (VV 摔))
(NP-SBJ (-NONE- *pro*))
(VP (VP (VV 摔)
(PP (P 在)
(NP (NN 楼面))))
(VP (VV 摔伤))))
(PU 。)))
ARG0: *pro*
REL: 摔伤