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.

Shop Distributive and Allied Employees Association national secretary Gerard Dwyer said the union would try to minimise the number of jobs lost and seek to impress upon Myer the importance of certainty and predictability of permanent employment for retail staff.
industry: Myer, retail