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.

However, our history of prudent underwriting, the prime nature of our retail portfolios and the diverse nature of our wholesale portfolios serve as strong mitigants against the deteriorating macroeconomic conditions that have arisen as a result of the COVID-19 pandemic.

Answer: industry: prime, retail