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, the world's largest software maker, is preparing to challenge the Federal Trade Commission's decision to block its acquisition of Activision Blizzard, the video game company behind the popular shooter game “Call of Duty,” for $75 billion.
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moderately negative
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