Detailed 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'.
Problem:news:Nokia 's share price fell less than one percent to 18.70 euros ( $ 25.41 ) in Helsinki , while Siemens shares fell 1.02 percent to 90.19 euros ( $ 122.57 ) in Frankfurt .
polarity:negative
Solution:
true