What is the relationship between 'Google Express' and 'Google' in the context of the input sentence.
Options: owned by, platform, director/manager, operator

Announced in a company blog post, Wal-Mart Stores Inc (WMT) is debuting a free pick-up service for online grocery orders in order to compete with other players in the e-commerce and online grocery businesses like Amazon (AMZN) and its Prime Fresh service, Target (TGT) and its recent partnership with Instacart, and Google (GOOG) and its Google Express delivery service.
owned by