In the context of the input sentence, determine the relationship between 'chapters' and 'Retail'.
Options: operator, owned by, industry, distributed by

The Central Bank published the latest version of the AIF Rulebook on 12 June 2015, which is the Central Bank’s rulebook in relation to AIFs and which contains chapters concerning Retail Investor AIF, Qualifying Investor AIF, AIF Management Companies, Fund Administrators, Alternative Investment Fund Managers and AIF Depositaries.
industry