(IP 
  (LCP-SBJ 
    (NP-PN 
      (NR 中兴)
                    
      (NN 医院))
                    
    (LC 边))
                    
  (VP 
    (ADVP 
      (AD 还))
                    
    (VP 
      (VE 有)
                    
      (NP-OBJ 
        (QP 
          (CD 一)
                    
          (CLP 
            (M 棵)))
                    
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-TPC 
                (-NONE- *T*-1))
                    
              (IP 
                (IP 
                  (NP-SBJ 
                    (NN 盘根))
                    
                  (VP 
                    (VV 缠绕)))
                    
                (PU 、)
                    
                (IP 
                  (NP-SBJ 
                    (NN 绿荫))
                    
                  (VP 
                    (VV 遮天)))))
                    
            (DEC 的)))
                    
        (ADJP 
          (JJ 老))
                    
        (NP 
          (NN 茄冬))))))
arg0: 
                    *T*-1 
                
arg0: 
                    绿荫