What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

After months of organizing, the quality assurance testers at Raven Software, a division of gaming giant Activision Blizzard, have voted to unionize. This marks the first union at a major gaming company in the U.S. Administered through the National Labor Relations Board (NLRB), the vote passed 19-3.
moderately positive