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

[EX Q]: The subscriptions increase Cargotec 's share capital by 36,780 euros .
[EX A]: positive

[EX Q]: The airline 's share price closed down slightly at ( x20ac ) 12.51 ( $ 15US .74 ) in Helsinki .
[EX A]: negative

[EX Q]: ALEXANDRIA , Va. , Oct. 3 -- Markka A. Oksanen and Harald Kaaja , both of Helsinki , Finland , Juha Salokannel of Kangasala , Finland , and Arto Palin of Viiala , Finland , have developed a system for providing communications security .
[EX A]:
neutral