sentence: Football is a famous sport . You can watch it on TV or you can see it live . There are a lot of level categories , the most famous category is the first .
modified: football is a fameous sport you can whatch it on tv or yo can see it on direct.there ara a lot of level categories , the most fameous categorie is the first .
transformation: ORTH, SPELL, PUNCT, SPELL, ORTH, PRON, OTHER, SPELL, SPELL, SPELL