Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: news:The fourth quarter saw Rapala swing back to a pretax profit of 1.5 mln eur from a year earlier loss of 1.2 mln on the back of a 30 pct uplift in sales to 44.8 mln eur , and a stronger performance in North America .
polarity:positive
Student:
true