(IP 
  (NP-SBJ 
    (NN 捶丸))
                    
  (VP 
    (ADVP 
      (AD 也))
                    
    (VP 
      (VV 划定)
                    
      (NP-OBJ 
        (NP 
          (NN 击球)
                    
          (NN 点))
                    
        (PRN 
          (VP 
            (VV 称为)
                    
            (NP-OBJ 
              (PU 「)
                    
              (NN 基)
                    
              (PU 」))))))))
arg1: 
                    击球 点 
                
argm: 
                    也 
                
argm: 
                    捶丸