Teacher:Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
Teacher: Now, understand the problem? Solve this instance: Under the agreement , Pfizer has been funding Biotie 's research activities on the PDE10 phosphodiesterase 10 inhibitor program since its start in late 2006 and has the sole authority to develop discovered compounds .
Student:
neutral