(NP-SBJ 
  (NN 男性)
                    
  (NN 工人))
                    
(VP 
  (PP-PRP 
    (P 因为)
                    
    (IP 
      (NP-SBJ 
        (-NONE- *pro*))
                    
      (VP 
        (VV 缺乏)
                    
        (NP-OBJ 
          (NN 铁质)))))
                    
  (VP 
    (MSP 而)
                    
    (VP 
      (VV 贫血)))))
arg0: 
                    男性 工人          
                
argm: 
                    因为 缺乏 铁质