Instructions: 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'.
Input: news:MegaFon 's subscriber base increased 16.1 % in 2009 to 50.5 million users as of December 31 , while its market share by the number of customers amounted to 24 % as of late 2009 , up from 23 % as of late 2008 , according to TeliaSonera estimates .
polarity:positive
Output:
true