(IP 
  (PP 
    (P 据)
                    
    (NP 
      (NN 了解)))
                    
  (PU ，)
                    
  (IP 
    (NP-PN-SBJ 
      (NR 天津)
                    
      (CC 与)
                    
      (NR 俄罗斯))
                    
    (VP 
      (VP 
        (VE 有)
                    
        (IP-OBJ 
          (NP-SBJ 
            (CP 
              (WHNP-2 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *T*-2))
                    
                  (VP 
                    (VCD 
                      (VA 方便)
                    
                      (VA 快捷))))
                    
                (DEC 的)))
                    
            (NP 
              (NN 空)
                    
              (PU 、)
                    
              (NN 海)
                    
              (PU 、)
                    
              (NN 陆港)))
                    
          (VP 
            (VV 相通))))
                    
      (PU ，)
                    
      (VP 
        (ADVP 
          (AD 历来))
                    
        (VP 
          (VE 有)
                    
          (NP-OBJ 
            (DNP 
              (QP 
                (CD 大量))
                    
              (DEG 的))
                    
            (NP 
              (NP 
                (ADJP 
                  (JJ 易货))
                    
                (NP 
                  (NN 贸易)))
                    
              (CC 及)
                    
              (NP 
                (NN 经贸)
                    
                (NN 合作)))))))))
arg0: 
                    *OP* *T*-2 方便 快捷 的 空 、 海 、 陆港