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'.

news:A total of 15,000 new Citycon shares with a nominal value of EUR 1.35 per share were subscribed between 17 and 23 March 2006 exercising the A-B-C options based on the company 's stock option plan 1999 .
polarity:negative
false

news:One of the challenges in the oil production in the North Sea is scale formation that can plug pipelines and halt production .
polarity:positive
false

news:Hobby Hall 's sales decrease 26 pct due to implementing a new information system that involved changing in the principal of posting sales .
polarity:negative
true