sentence: If someone likes cars , then they should go to Formula 1 races to hear the bolid engine sound . I think that is the best sound I have ever heard in my life .
modified: If sameone like cars then should go to Formula 1 race to hear the bolid engine sound , I think that is the best voice which I have ever heard in my life .
transformation: SPELL, OTHER, PUNCT, PRON, NOUN:NUM, K, PUNCT, NOUN, DET