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: 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 .
Student:
neutral