Explain simply why Foodstuffs ( NZ ) Ltd is the correct answer to: Passage: Foodstuffs (NZ) Ltd is a group of two New Zealand grocery and liquor retailers' cooperatives based in the North Island and the South Island that collectively control an estimated 53 % of the New Zealand grocery market. The group owns retail franchises Four Square, New World and Pak'nSave, in-store private labels Pam's and Budget, and a ten percent stake in The Warehouse. The effective duopoly in New Zealand's supermarket industry means that Foodstuffs' only real competitor is Australian supermarket chain Progressive Enterprises.

Question: Based on this passage, who owns new world and pak n save?. Explanation:
The relevant information is: The group owns retail franchises Four Square, New World and Pak'nSave, in-store private labels Pam's and Budget, and a ten percent stake in The Warehouse.