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}.
Text: Microsoft Corp will voluntarily recognize a union of about 300 videogame testers at subsidiary ZeniMax Studios if they vote to unionize, a first for the company in the United States, the Communication Workers of America union (CWA) said on Monday.
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