TASK DEFINITION: Given a piece of financial news and its polarity, classify it into 'true' if the polarity is correct and classify into 'false' if the polarity is incorrect. Output must be 'true' or 'false'.
PROBLEM: news:The unit is planned to be operational during the second half of 2007 and in full stream in 2008 .
polarity:negative

SOLUTION: false

PROBLEM: news:Kesko has previously published a stock exchange release concerning the deal on 7 February 2007 .
polarity:neutral

SOLUTION: true

PROBLEM: news:Construction volumes meanwhile grow at a rate of 10-15 percent annually .
polarity:positive

SOLUTION:
true