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:A memorandum of understanding on cooperation between the Finnish Global Chemical Company KEMIRA and Vietnam National Chemicals Group ( Vinachem ) was signed on this occasion .
polarity:positive
Solution:
true