sentence: I do n't know what exactly happens , but in every World Cup the atmosphere changes , everybody becomes happier , Mc Donalds launches the tastiest hamburgers , people go out to watch games with friends in bars or they meet in somebody 's house .
modified: I do n't know what exactly happens but in every World Cup the atmosphere changes , everybody gets happier , Mc Donalds launches the tastiest hamburgers , people go out to watch games with friends in bars or they meet in somebody 's house .
transformation: PUNCT, VERB