(IP 
  (LCP-SBJ 
    (NP 
      (UCP 
        (NP 
          (NN 地铁)
                    
          (NN 车站))
                    
        (CC 和)
                    
        (LCP 
          (NP 
            (NN 路))
                    
          (LC 边)))
                    
      (NP 
        (NN 广告牌)))
                    
    (LC 上))
                    
  (VP 
    (ADVP 
      (AD 已经))
                    
    (VP 
      (VV 换上)
                    
      (AS 了)
                    
      (NP-OBJ 
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-TPC 
                (-NONE- *T*-1))
                    
              (NP-SBJ 
                (NN 印刷))
                    
              (VP 
                (VA 精美)))
                    
            (DEC 的)))
                    
        (NP 
          (NN 演唱会))
                    
        (ADJP 
          (JJ 大幅))
                    
        (NP 
          (NN 海报)))))
                    
  (PU 。))
arg1: 
                    地铁 车站 和 路 边 广告牌 上 
                
arg2: 
                    *OP* *T*-1 印刷 精美 的 演唱会 大幅 海报 
                
argm: 
                    已经