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: Elon Musk said Apple Inc. is threatening to remove Twitter Inc. from its App Store and criticized the tech giant for what he called censorship. He also said the iPhone maker has withdrawn most of its advertising spending from the social-media company.
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mildly negative
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