Analyze the relationship between 'Primark' and 'Associated British Foods' within the context of the input sentence.
Options: legal form, chairperson, parent organization, employer

Primark owner pleases investors Revenues were flat at Primark owner Associated British Foods (LSE: ABF.L - news ) in the 40 weeks to 20 June, but up 2% against the same period last year if currency moves are ignored.
parent organization