Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.

Input: Consider Input: Operating profit improved by 27 % to EUR 579.8 mn from EUR 457.2 mn in 2006 .

Output: positive

Input: Consider Input: It has sold one half of its business operations and will enter the Helsinki Stock Exchange via the back door through an innovative buyout arrangement with Kasola .

Output: neutral

Input: Consider Input: Earnings per share ( EPS ) in the first half of 2007 amounted to EUR0 .29 , down from EUR0 .40 year ago .
Output: negative