( 
  (IP 
    (NP-SBJ 
      (PN 它))
		
    (VP 
      (ADVP 
        (AD 其实))
		    
      (VP 
        (VC 是)
			
        (VP 
          (ADVP 
            (AD 再次))
			    
          (VP 
            (VV 点燃)
				
            (AS 了)
				
            (NP-OBJ 
              (QP 
                (CD 一)
					    
                (CLP 
                  (M 场)))
					
              (CP 
                (WHNP-1 
                  (-NONE- *OP*))
					    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-1))
						    
                    (VP 
                      (VP 
                        (ADVP 
                          (AD 既))
							    
                        (VP 
                          (VV 让)
								
                          (NP-OBJ 
                            (NN 人))
								
                          (IP 
                            (NP-SBJ 
                              (-NONE- *PRO*))
								    
                            (VP 
                              (VV 心碎)))))
							
                      (VP 
                        (ADVP 
                          (AD 又))
							    
                        (VP 
                          (VA 棘手)))))
						
                  (DEC 的)))
					
              (NP 
                (NN 辩论)))))))
		
    (PU ．)))
arg0: 
	  *PRO*