sentence: A new era was created . It was the most brutal period in the history of mankind . It was known as many things . Most people named it " The Japan Era " , but it was so brutal that the official name was " The Dark Yellow Era " .
modified: A new era was created , it was the most brutal time period in the history of mankind , it was known as many things most people named it " The Japan Era " , but it was so brutal that the official name was " The Dark Yellow Era "
transformation: PUNCT, NOUN, PUNCT, PUNCT, PUNCT