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: David Novak, Yum! Brands co-founder and former chairman and CEO, joins 'Closing Bell' to discuss why unionization efforts have stalled for Amazon, how Novak would deal with the rise in wages in the quick-serve restaurant business and more.
user
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