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. is freezing staffing levels in its profitable advertising business, according to a person familiar with the matter, showing that the world's largest e-commerce company is taking more drastic measures to align expenses with slowing sales.
user
moderately negative
assistant