sentence: After walking for many days , the ' survivors ' were worried , and thinking about how much they would still need to walk to find a city . Also they were thinking that maybe they were going forward one day and backwards the next day .
modified: After walking for a lot of days , the ' survivors ' were worried , and thinking of how much they would still need to walk to find a city , also they were thinking that maybe they were going forward one day and backwards the next day .
transformation: OTHER, PREP, PUNCT