( 
  (IP 
    (NP-SBJ 
      (-NONE- *pro*))
		
    (VP 
      (ADVP 
        (AD 所以))
		    
      (VP 
        (VV 说)
			
        (IP-OBJ 
          (IP 
            (CP-SBJ 
              (IP 
                (IP-ADV 
                  (NP-SBJ 
                    (-NONE- *pro*))
							
                  (VP 
                    (VRD 
                      (VV 分析)
								 
                      (VV 起来))))
						
                (DFL 
                  (VV 到))
						
                (PU ，)
						
                (IP-SBJ 
                  (IP 
                    (ADVP 
                      (AD 到底))
							    
                    (FLR 
                      (PN 这个))
							    
                    (NP-SBJ 
                      (NN 人))
							    
                    (VP 
                      (VV 发病)))
							
                  (CC 或者)
							
                  (IP 
                    (FLR 
                      (DT 什么))
							    
                    (NP-SBJ 
                      (NN 家禽))
							    
                    (VP 
                      (VV 发病))))
						
                (PU ，)
						
                (VP 
                  (VNV 
                    (VC 是)
							 
                    (AD 不)
							 
                    (VC 是))
						    
                  (VP 
                    (PP-LGS 
                      (P 由)
								
                      (NP 
                        (DP 
                          (DT 这些))
								    
                        (NP 
                          (NN 野鸟))))
							
                    (VP 
                      (VRD 
                        (VV 传)
								 
                        (VV 过来))))))
					    
              (SP 的))
				    
            (PU ，)
				    
            (ADVP 
              (AD 所以))
				    
            (ADVP 
              (AD 也))
				    
            (ADVP 
              (ADVP 
                (AD 很))
					  
              (ADVP 
                (AD 难)))
				    
            (VP 
              (VV 分析)))
				
          (PU ，)
				
          (IP 
            (NP-SBJ 
              (-NONE- *pro*))
				    
            (VP 
              (ADVP 
                (AD 也))
					
              (VP 
                (VE 没有)
					    
                (NP-OBJ 
                  (DP 
                    (DT 这些))
						    
                  (ADJP 
                    (JJ 第一手))
						    
                  (NP 
                    (NN 资料)))))))))
		
    (PU 。)))
argm: 
	  到底 
	  
arg0: 
	  人