Take context from the input text and decide on the accurate relationship between 'Best Buy' and 'retail' from the options provided.
Options: platform, subsidiary, industry, legal form

With large-user tenants on the decline in San Antonio — Home Depot, Target and Best Buy aren't building the way they were in pre-recession days — Walmart's growth in various San Antonio submarkets are likely to spark a flurry of nearby small-scale retail development.
industry