(IP 
  (IP-ADV 
    (CS 虽然)
                    
    (NP-PN-SBJ 
      (NR 绿洲)
                    
      (NN 山庄))
                    
    (VP 
      (ADVP 
        (AD 已经))
                    
      (VP 
        (VV 拆)
                    
        (AS 了)
                    
        (QP-EXT 
          (CD 一半)))))
                    
  (PU ，)
                    
  (ADVP 
    (AD 但))
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 还是))
                    
    (VP 
      (VV 可以)
                    
      (VP 
        (VV 停工)
                    
        (PU 、)
                    
        (VV 抢救)))))
arg1: 
                    *pro* 
                
argm: 
                    还是 
                
argm: 
                    但 
                
argm: 
                    虽然 绿洲 山庄 已经 拆 了 一半