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: The U.S. Federal Trade Commission (FTC) has asked Amazon.com Inc and iRobot Corp for more information on the e-commerce giant's $1.7-billion buyout of the Roomba vacuum maker.
user
mildly negative
assistant