( (IP (IP (NP (IJ 嗯))
(PU ，)
(CP-ADV (IP (NP-SBJ (PN 你))
(VP (VV 知道)))
(SP 的))
(PU ，)
(PP-TPC (P 论)
(LCP (NP (ADJP (JJ 真正))
(NP (NN 坦率)))
(LC 而说)))
(PU ，)
(NP-SBJ (PN 这))
(VP (VC 是)
(NP-PRD (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (ADVP (AD 有史以来))
(ADVP (AD 最))
(VP (VV 守口如瓶))))
(DEC 的)))
(NP-PN (NR 白宫)))))
(PU ，)
(IP (IP (ADVP (AD 而且))
(PU ，)
(FLR (IJ 呃))
(PU ，)
(NP-SBJ (PN 它))
(VP (VC 是)
(NP-PRD (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (ADVP (AD 最))
(VP (VV 遮遮掩掩))))
(DEC 的)))))
(PU ，)
(CP-CND (ADVP (CS 如果))
(CP (IP (NP-SBJ (PN 你))
(VP (VV 要)
(IP-OBJ (NP-SBJ (-NONE- *PRO*))
(VP (ADVP (AD 这么))
(VP (VV 说))))))
(SP 的话)))))
(PU ．)))
ARG0: *T*-1
ARGM-ADV: 有史以来
ARGM-ADV: 最
REL: 守口如瓶