sentence: The line which represents the indoor swimming pool remains fairly steady , from approximately 1800 to 2500 , the period of every year from April to June and October to December has the highest outstanding achievement , whilst the sales are downwards overall .
modified: The line which represent the indoor swimming pool remain fairly steady , from approximately 1800 to 2500,the period of every year from April to June and October to December own the highest outstanding achievement , whilst the sale is downwards overall .
transformation: VERB:SVA, VERB:SVA, ORTH, VERB, NOUN:NUM, VERB:SVA