(IP (NP-SBJ (NP (QP (OD 第一)
(CLP (M 个)))
(NP (NN 条件)))
(CC 跟)
(NP (QP (OD 第二)
(CLP (M 个)))
(NP (NN 条件))))
(VP (VC 是)
(NP-PRD (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VP (VV 相辅相成))
(PU 、)
(VP (ADVP (AD 良性))
(VP (VV 循环)))))
(DEC 的))))))
ARG0: *T*-1
ARGM-ADV: 良性
REL: 循环