Detailed Instructions: Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
Problem:Vanhanen said the strike would be '' extremely damaging '' as some 1,300 participants and reporters begin to arrive in Finland for the one-day EU summit with Russian President Vladimir Putin in Lahti , about 100 kilometers ( 60 miles ) north of Helsinki .
Solution:
negative