(IP-Q 
  (ADVP-Q 
    (AD 为何))
                    
  (NP-SBJ 
    (DP 
      (DT 这些))
                    
    (NP 
      (NN 古物)))
                    
  (VP 
    (VV 要)
                    
    (VP 
      (PP-TMP 
        (P 在)
                    
        (LCP 
          (QP 
            (CD 三千)
                    
            (CLP 
              (M 年)))
                    
          (LC 前)))
                    
      (PP-MNR 
        (P 经过)
                    
        (LCP 
          (NP 
            (NN 焚烧)
                    
            (NN 敲碎))
                    
          (LC 後)))
                    
      (ADVP 
        (AD 才))
                    
      (VP 
        (VV 埋入)
                    
        (LCP-OBJ 
          (NP 
            (NN 土))
                    
          (LC 中))))))
arg1: 
                    这些 古物 
                
arg2: 
                    土 中 
                
argm: 
                    才 
                
argm: 
                    经过 焚烧 敲碎 後 
                
argm: 
                    在 三千 年 前 
                
argm: 
                    为何