What is the relationship between Skype and Microsoft in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

And that basically tells you and almost doubled quarter-to-quarter, so that tells you that growth of Teams have surpassed the decline of Skype for Business and now they notice we have managed to show growing Microsoft sales, it means that we have -- we are doing the transition from Skype for Business teams in a very determining assured way.

Answer: operator