What is the relationship between 'UGG' and 'retail' in the context of the input sentence.
Options: developer, industry, currency, platform

Internationally, UGG declined versus last year primarily related to COVID-19 store closures, the multiyear marketplace reset in Europe, and the brand having a smaller e-commerce presence relative to the U.S. market, making it more challenging to offset the volume loss from retail stores.
industry