instruction:
Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
question:
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 .
answer:
neutral

question:
Raffles Equities Ltd became a substantial holder in Archer Exploration Ltd on January 12 with 11.7 million shares ( 18.2 pc ) .
answer:
neutral

question:
UPM-Kymmene Corp. , the world 's largest maker of magazine paper , on Tuesday reported a 19-percent profit drop as lower paper prices , higher costs and a strong euro hurt revenue .
answer:
negative