( 
  (IP 
    (ADVP 
      (AD 但是))
		
    (CP-CND 
      (ADVP 
        (CS 如果))
			
      (IP 
        (NP-SBJ 
          (PN 你))
			    
        (VP 
          (ADVP 
            (AD 真的))
				
          (VP 
            (VV 相信)
				    
            (IP-OBJ 
              (NP-SBJ 
                (CP 
                  (WHNP-1 
                    (-NONE- *OP*))
							
                  (CP 
                    (IP 
                      (NP-SBJ 
                        (-NONE- *T*-1))
								
                      (VP 
                        (NP-TMP 
                          (NT ９月)
									    
                          (NT １１日))
								    
                        (VP 
                          (VV 发生))))
							    
                    (DEC 的)))
						    
                (NP 
                  (NN 事)))
					    
              (VP 
                (ADVP 
                  (AD 只))
						
                (VP 
                  (VC 是)
						    
                  (IP-PRD 
                    (NP-SBJ 
                      (-NONE- *pro*))
							    
                    (VP 
                      (VE 有)
								
                      (IP 
                        (NP-SBJ 
                          (NN 人))
								    
                        (VP 
                          (VP 
                            (VV 驾驶)
									    
                            (NP-OBJ 
                              (NN 飞机)))
									
                          (VP 
                            (VV 撞向)
									    
                            (NP-OBJ 
                              (NN 大楼))))))))))))))
		
    (PU ，)
		
    (ADVP 
      (AD 那么))
		
    (NP-SBJ 
      (PN 我))
		
    (VP 
      (VV 认为)
		    
      (IP-OBJ 
        (NP-SBJ 
          (PN 你))
			    
        (VP 
          (PP-DIR 
            (P 对)
					
            (NP 
              (CP 
                (WHNP-2 
                  (-NONE- *OP*))
						
                (CP 
                  (IP 
                    (NP-SBJ 
                      (PN 我们))
							
                    (VP 
                      (PP-TMP 
                        (P 在)
								    
                        (NP 
                          (NT ９月)
									
                          (NT １１日)))
							    
                      (VP 
                        (MSP 所)
								
                        (VP 
                          (VV 面临)
								    
                          (NP-OBJ 
                            (-NONE- *T*-2))))))
						    
                  (DEC 的)))
					    
              (NP 
                (NN 事情))))
				
          (VP 
            (VE 有)
				    
            (NP-OBJ 
              (DNP 
                (ADJP 
                  (ADVP 
                    (AD 很))
						       
                  (ADJP 
                    (JJ 局限)))
						 
                (DEG 的))
					    
              (NP 
                (NN 看法)))))))
		
    (PU ．)))
arg0: 
	  人
	  
arg1: 
	  大楼