Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

On the retail front, the retail environment obviously remains uncertain but the evolution of our momentum is going to be channeled into our e-commerce platform and while we continue to evaluate our retail footprint, last week we announced three plans to close three doors where leases were actually set to expire in early 2021.

Answer: industry: retail environment, retail