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:Vaisala Oyj Press Release September 30 , 2010 Vaisala has signed a contract to sell its oxygen measurement technology and business to SICK Maihak GmbH .
polarity:negative
false

news:Galeria Podlaska , a shopping mall on Wysockiego Street in Bia ' ystok , is approximately 60-percent leased or reserved .
polarity:positive
false

news:The 10,000-odd square metre plot that Stockmann has bought for the Nevsky Center shopping center is located on Nevsky Prospect , St Petersburg 's high street , next to the Vosstaniya Square underground station , in the immediate vicinity of Moscow Station .
polarity:neutral
true