(IP-OBJ 
  (NP-SBJ 
    (CP 
      (WHNP-2 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-TPC 
            (-NONE- *T*-2))
                    
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (NP-LOC 
              (NN 旁边))
                    
            (VP 
              (VV 寒暄))))
                    
        (DEC 的))))
                    
  (VP 
    (ADVP 
      (AD 都))
                    
    (VP 
      (VC 是)
                    
      (IP-PRD 
        (CP-Q 
          (PU 『)
                    
          (IP 
            (NP-SBJ 
              (-NONE- *pro*))
                    
            (VP 
              (NP-TMP 
                (NT 最近))
                    
              (VP 
                (VV 出国))))
                    
          (SP 吗))
                    
        (PU ？)
                    
        (PU 』)
                    
        (PU 、)
                    
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (ADVP 
              (AD 刚))
                    
            (VP 
              (VV 回来))))))))
arg0: 
                    *pro* 
                
argm: 
                    旁边 
                
argm: 
                    *T*-2