Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
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Question: Finnlines estimated in its annual general meeting that 2008 will be financially a tough year due to large investments .

Answer: negative

Question: Total operating revenue grew by 27.6 % year-on-year to EUR61m .

Answer: positive

Question: ' This is a repeat order to follow successfully installed 159 elevators in the same Delhi metro system , ' Kone spokeswoman told Thomson Financial News .

Answer:
positive