tree_yuan1tex

[S 
  [NP Yuan ]
  [VP 
    [V poked ]
    [NP 
      [NP 
        [DET her ] 
        [N' 
          [N colleague ] ] ]
      [PP 
        [P with ]
        [NP 
          [DET two ] 
          [N' 
            [ADJ mechanical ] 
            [N' 
              [N pencils ] ] ] ] ] ] ] ]