sentence: There are several reasons to believe that . Firstly , many people are influenced by the advertising , which mixes happiness with driving cars and makes people think that public transport is not as smart an option as cars .
modified: There are several reasons to believe that ; firstly , many people are influenced by the advertising which mixes happiness with driving cars and makes people think that public transport is not as a smart option as cars .
transformation: PUNCT, PUNCT, OTHER