(IP 
  (NP-TMP 
    (NT 现在))
                    
  (NP-SBJ 
    (PN 那里))
                    
  (VP 
    (ADVP 
      (AD 已经))
                    
    (ADVP 
      (AD 很))
                    
    (ADVP 
      (AD 难))
                    
    (VP 
      (VV 看见)
                    
      (NP-OBJ 
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-1))
                    
              (VP 
                (VA 大)))
                    
            (DEC 的)))
                    
        (ADJP 
          (JJ 野生))
                    
        (NP 
          (NN 动物)))))
                    
  (SP 了))
arg1: 
                    *OP* *T*-1 大 的 野生 动物 
                
argm: 
                    很 难 
                
argm: 
                    已经 
                
argm: 
                    那里
                
argm: 
                    现在