sentence: " In the past , Matilde , your mother , killed your brother , but she had a reason . He was a monster because he killed a lot of people in our city , so we went to another city . "
modified: " In the past Matilde your mother killed your brother , although she had a reason , he was a monster because he killed a lot of people in our city , so we went to another city . "
transformation: PUNCT, PUNCT, PUNCT, OTHER, PUNCT