tree_101sc_badjiantex

[S 
  [ILLEGAL-NP 
    [NP 
      [N' 
        [N Jian ] ] ] 
    [CP 
      [C while ] 
      [S 
        [NP 
          [DET his ] 
          [N' 
            [N cat ] ] ] 
        [VP 
          [V slept ] ] ] ] ] 
  [VP 
    [V ate ] ] ]