(IP 
  (NP-SBJ 
    (NP 
      (NN 远方))
                    
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (VP 
              (ADVP 
                (AD 每))
                    
              (VP 
                (VV 隔)
                    
                (QP-OBJ 
                  (CD 五)
                    
                  (CLP 
                    (M 秒)))))
                    
            (VP 
              (VV 闪动))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 灯塔)))
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (DNP 
        (NP 
          (NN 天空))
                    
        (DEG 的))
                    
      (NP 
        (NN 星星)))))
arg0: 
                    *T*-1