Instructions: Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
Input: Finland 's Nokian Tyres and Kazakhstan 's Ordabasy Corporation signed an agreement to build a plant in Astana to produce car tires , Ordabasy chairman Dinmukhamet Idrisov said at a press conference .
Output:
positive