(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VV 看到)
                    
    (NP-OBJ 
      (NP 
        (NN 周围))
                    
      (QP 
        (CD 许多))
                    
      (NP 
        (NN 人)))
                    
    (IP 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (PP-PRP 
          (P 因为)
                    
          (IP 
            (IP 
              (NP-SBJ 
                (NN 父母))
                    
              (VP 
                (VV 去世)))
                    
            (PU 、)
                    
            (IP 
              (NP-SBJ 
                (NN 农地))
                    
              (VP 
                (VV 卖)
                    
                (AS 了)))
                    
            (PU 、)
                    
            (IP 
              (NP-SBJ 
                (NN 老厝))
                    
              (VP 
                (VV 荒废)
                    
                (AS 了)))))
                    
        (PU ，)
                    
        (ADVP 
          (AD 从此))
                    
        (ADVP 
          (AD 只))
                    
        (VP 
          (VV 能)
                    
          (VP 
            (VV 浪迹)
                    
            (NP-PN-OBJ 
              (NR 台北))))))))
arg0: 
                    *PRO* 
                
arg1: 
                    台北 
                
argm: 
                    只 
                
argm: 
                    从此 
                
argm: 
                    因为 父母 去世 、 农地 卖 了 、 老厝 荒废 了