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: Expanding its presence in consumer robotics, Amazon.com Inc. ( AMZN , Financial) announced on Friday it is buying iRobot Corp. ( IRBT , Financial) for $1.7 billion.
user
moderately positive
assistant