What is the sentiment of the input news from financial perspective?
Options: positive, negative

Amazon.com, Inc. (NASDAQ:AMZN) has announced plans to acquire Roomba vacuum maker iRobot cnx.cmd.push(function() {var videoId = decodeURIComponent(""); cnx({ playerId: "0a52d238-33b5-4c04-ba5e-323e192cfbe8", mediaId: videoId}).render("b8b49474e42e4a61905a1353db504ac9"); }); Corporation (NASDAQ:IRBT) in an all-cash transaction that values the company at $1.7 billion.
positive