(IP 
  (IP-SBJ 
    (NP-PN-SBJ 
      (NR 美国))
                    
    (VP 
      (PP-LOC 
        (P 在)
                    
        (LCP 
          (NP 
            (DP 
              (DT 此))
                    
            (NP 
              (NN 问题)))
                    
          (LC 上)))
                    
      (PP-DIR 
        (P 对)
                    
        (NP-PN 
          (NR 朝鲜)))
                    
      (VP 
        (VV 施加)
                    
        (NP-OBJ 
          (NN 压力)))))
                    
  (VP 
    (ADVP 
      (AD 只))
                    
    (VP 
      (VV 会)
                    
      (VP 
        (VV 破坏)
                    
        (NP-OBJ 
          (NN 和平)
                    
          (CC 与)
                    
          (NN 稳定))))))
arg0: 
                    美国 
                
arg1: 
                    压力 
                
arg2: 
                    对 朝鲜 
                
argm: 
                    在 此 问题 上