( (IP (FLR (IJ 呃))
(PU ，)
(NP-SBJ-2 (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VV 供暖)))
(DEC 的)))
(NP (NN 管线)))
(FLR (SP 呢))
(VP (ADVP (AD 确实))
(ADVP (AD 已经))
(VP (SB 被)
(VP (VV 破坏)
(AS 了)
(NP-OBJ (-NONE- *-2)))))
(PU ，)))
ARGM-MNR: *T*-1
REL: 供暖