(IP 
  (NP-SBJ 
    (CP 
      (WHNP-2 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-2))
                    
          (VP 
            (VV 分散)
                    
            (PP 
              (P 在)
                    
              (NP 
                (DP 
                  (DT 各))
                    
                (NP 
                  (NN 地))))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 学生)))
                    
  (VP 
    (VV 可以)
                    
    (VP 
      (VP 
        (VV 听取)
                    
        (NP-OBJ 
          (DNP 
            (PP 
              (ADVP 
                (AD 远))
                    
              (PP 
                (P 在)
                    
                (NP-PN 
                  (NR 杭州))))
                    
            (DEG 的))
                    
          (NP 
            (NN 教师)))
                    
        (IP 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (VV 授课))))
                    
      (PU ，)
                    
      (CC 并)
                    
      (VP 
        (ADVP 
          (AD 同步))
                    
        (VP 
          (VV 收到)
                    
          (NP-OBJ 
            (NP 
              (NN 文字)
                    
              (PU 、)
                    
              (NN 图像)
                    
              (PU 、)
                    
              (NN 图形)
                    
              (PU 、)
                    
              (NN 声音)
                    
              (CC 和)
                    
              (NN 动画))
                    
            (NP 
              (NN 信息))))))))
arg0: 
                    *PRO*