You will be given a definition of a task first, then some input of the task.
Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.

Antti Orkola , president of Kemira GrowHow 's Industrial Solutions unit , told Thomson Financial News the company has put off opening the mine as prices of phosphate have been ' quite depressed for a long time ' . '
Output:
negative