( (IP (ADVP (AD 而))
(NP-SBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (PN 他们))
(VP (MSP 所)
(VP (VV 知道)
(NP-OBJ (-NONE- *T*-1)))))
(DEC 的)))
(ADJP (JJ 唯一))
(NP (NN 白人)))
(VP (VC 是)
(NP-PRD (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VV 让)
(NP-OBJ (PN 他们))
(IP (NP-SBJ (-NONE- *PRO*))
(VP (VV 卑躬屈膝)))))
(DEC 的)))
(NP (NN 殖民者))))
(PU 。)))
ARG0: *PRO*
REL: 卑躬屈膝