sentence: Unfortunately , there is a lot of traffic , so the best place to avoid it is a little artificial lake called Idroscalo where people can run around the 7 kilometre perimeter or cycling in the open air while looking at the swans .
modified: Unfortunately there is a lot of traffic , so the best place to avoid it is a little artificial lake called Idroscalo where people can run along the 7 kilometres perimeter or cycling open air while looking at the swans .
transformation: PUNCT, PREP, NOUN:NUM, OTHER