(IP 
  (NP-SBJ 
    (NP-PN 
      (NR 美国))
                    
    (NP 
      (NN 总统)))
                    
  (VP 
    (LCP-TMP 
      (IP 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 遭遇)
                    
          (NP-OBJ 
            (NN 危机))))
                    
      (LC 後))
                    
    (VP 
      (ADVP 
        (AD 又))
                    
      (VP 
        (VV 解救)
                    
        (NP-OBJ 
          (NN 危机))))))
arg0: 
                    *PRO* 
                
arg1: 
                    危机 
                

(IP 
  (ADVP 
    (AD 但))
                    
  (CP-CND 
    (ADVP 
      (CS 如果))
                    
    (IP 
      (NP-SBJ 
        (NN 厂商))
                    
      (VP 
        (ADVP 
          (AD 又))
                    
        (VP 
          (VC 是)
                    
          (NP-PRD 
            (ADJP 
              (JJ 大))
                    
            (NP 
              (NN 广告)
                    
              (NN 客户)))))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VV 可能)
                    
    (VP 
      (VV 会)
                    
      (VP 
        (VRD 
          (VV 遭遇)
                    
          (VV 到))
                    
        (NP-OBJ 
          (NN 压力))))))
arg0: 
                    *pro* 
                
arg1: 
                    压力 
                
argm: 
                    如果 厂商 又 是 大 广告 客户 
                
argm: 
                    但