Sentence Understanding in ISAAC

One end of a pole 10 ft long is supported by a man.

  1. The initial noun phrase ``one end'' is parsed, producing this structure:
    
    tok1
      tok    end
      lframe np
      nbr    (ns)
      det2   one   
    

  2. An attempt is made to parse the prepositional phrase as a modifier of the noun phrase.

  3. The prepositional phrase parser causes the noun phrase ``a pole'' to be parsed:
    
    tok2
      tok    pole
      lframe np
      det    indef
      nbr    (ns)
    

  4. The sentence is examined for modifiers of the noun phrase. The phrase ``10 ft long'' is found and causes a modifier to be added to tok2:
    
      mods   ((length 10 ft))
    

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