What is the relationship between Surface Pro 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.
Text: On Sunday I found myself hard-pressing on my Microsoft Surface Pro tablet, and wondering momentarily why it wasn't working.
user
developer
assistant