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: U.S. President Joe Biden took aim at online retailer Amazon.com Inc at a labor event on Wednesday after touting a new task force on worker organization “to make sure the choice to join a union belongs to workers alone.”
user
mildly negative
assistant