Distância de edição (2)
Ref. [S [N1 Two [N1 tax revision] bills] were passed ]
Analisador [S [NP Two tax revision bills] were passed ]
Two N1 [ S ; NP [ S custo: 1 troca
Tax [ N1 N1 S ; NP S custo: 1 troca e 2 insercoes
Revision N1 ] N1 S ; NP S custo: 1 troca e 2 insercoes
Bills N1 ] S ; NP ] S custo: 1 troca
Passed S ] ; S ] custo: 0