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