(IP (ADVP (AD 然而))
(NP-SBJ (NN 经济)
(NN 发展))
(VP (ADVP (AD 不))
(VP (VC 是)
(NP-PRD (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (ADVP (AD 不))
(VP (VV 可)
(VP (VV 逆转)))))
(DEC 的)))))))
ARG1: *T*-1
ARGM-ADV: 不
REL: 逆转