(IP-OBJ 
  (NP-SBJ 
    (PN 双方))
                    
  (VP 
    (PP 
      (P 就)
                    
      (NP 
        (IP-APP 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (ADVP 
              (AD 进一步))
                    
            (VP 
              (VV 开展)
                    
              (NP-OBJ 
                (NN 交流)
                    
                (CC 与)
                    
                (NN 合作)))))
                    
        (NP 
          (NN 问题))))
                    
    (VP 
      (VV 举行)
                    
      (AS 了)
                    
      (NP-OBJ 
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-1))
                    
              (VP 
                (VP 
                  (VA 友好))
                    
                (PU 、)
                    
                (VP 
                  (VA 坦诚))
                    
                (PU 、)
                    
                (VP 
                  (VA 求实))))
                    
            (DEC 的)))
                    
        (ADJP 
          (JJ 专家级))
                    
        (NP 
          (NN 工作)
                    
          (NN 会谈))))))
arg0: 
                    *T*-1