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

Ex Input:
Helsinki on October 22 , 2008 SSH COMMUNICATIONS SECURITY CORP Board of Directors For further information , please contact : Tomi Laamanen , Chairman , tel. +358 0 400 609 544 Distribution : NASDAQ OMX Helsinki Ltd. .

Ex Output:
neutral

Ex Input:
The service also enables users to watch e-mails in HTML format en is enhanced with 23 addition languages to choose from .

Ex Output:
neutral

Ex Input:
However short-term rentals are becoming more popular .

Ex Output:
neutral