sentence: Compared with local shops , products ' prices in the shopping mall are considerably higher than those in local shops , but it offers a wider variety of products .
modified: Compared with local shops , products ' price in shoping mall is considerably higher than that in local shops but it offers more varieties of products .
transformation: NOUN:NUM, DET, NOUN:INFL, VERB:SVA, DET, PUNCT, OTHER, NOUN:NUM