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.
Text: "It's fair to say that… there was significant underinvestment in the systems in David Jones," Mr Moir told Fairfax Media after addressing an Australia Israel Chamber of Commerce lunch in Sydney on Wednesday.
user
headquarters_location: Fairfax Media, Sydney
assistant