(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (VP 
              (VV 花掉)
                    
              (NP-OBJ 
                (ADJP 
                  (JJ 巨额))
                    
                (NP 
                  (NN 经费))))
                    
            (VP 
              (VV 研制)
                    
              (NP-OBJ 
                (-NONE- *T*-1)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 卫星)))
                    
  (VP 
    (ADVP 
      (AD 却))
                    
    (VP 
      (VV 成为)
                    
      (NP-OBJ 
        (CP 
          (WHNP-2 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-2))
                    
              (VP 
                (VV 漂浮)
                    
                (PP-LOC 
                  (P 于)
                    
                  (NP 
                    (NN 宇宙)))))
                    
            (DEC 的)))
                    
        (NP 
          (NN 废弃物))))))
arg0: 
                    *T*-2 
                
arg1: 
                    于 宇宙