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: Amazon.com Inc staff included the words "union," "grievance," and "living wage" on a preliminary list of terms to block from an internal messaging app it was considering creating to boost worker morale, The Intercept reported on Monday.
user
mildly negative
assistant