What is the relationship between watchOS and Apple Inc 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.

(Reuters) - Apple Inc (AAPL.O) said it won't release watchOS 2, an updated operating system for the Apple Watch, on Wednesday as planned after it discovered a bug in development.

Answer: developer