(NP-SBJ 
  (NN 警方))
                    
(VP 
  (VP 
    (ADVP 
      (AD 随后))
                    
    (ADVP 
      (AD 也))
                    
    (VP 
      (VRD 
        (VV 拦查)
                    
        (VV 到))
                    
      (NP-OBJ 
        (QP 
          (CD 一)
                    
          (CLP 
            (M 辆)))
                    
        (CP 
          (WHNP-1 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-1))
                    
              (VP 
                (VA 可疑)))
                    
            (DEC 的)))
                    
        (NP 
          (NN 计程车)))))
                    
  (PU ，)
                    
  (VP 
    (VV 留置)
                    
    (NP-OBJ 
      (NP 
        (QP 
          (CD 一)
                    
          (CLP 
            (M 对)))
                    
        (NP 
          (NN 男女)))
                    
      (PRN 
        (VP 
          (ADVP 
            (AD 分别))
                    
          (VP 
            (VC 是)
                    
            (NP-PN-PRD 
              (NR 杨正发)
                    
              (CC 和)
                    
              (NR 吴雅淑))))))
arg0: 
                    警方          
                
arg1: 
                    一 对 男女 分别 是 杨正发 和 吴雅淑