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:Nordstjernan has used its option to buy another 22.4 % stake of Salcomp 's shares and votes .
polarity:positive

SOLUTION: false

PROBLEM: news:The antibody , given at repeated doses of up to 8 mg-kg , was generally well tolerated , and the pharmacokinetic characteristics of BTT-1023 in psoriasis patients were consistent with those observed in a previously completed study in rheumatoid arthritis RA patients .
polarity:negative

SOLUTION: false

PROBLEM: news:Finnish W+rtsil+ that provides power solutions for the marine and energy markets has opened a Service Centre in Murmansk , in Russia .
polarity:neutral

SOLUTION:
true