Analyze the relationship between 'Walmart Canada' and 'Walmart' within the context of the input sentence.
Options: manufacturer, currency, parent organization, industry

Two years ago, SmartCentres supported Walmart Canada's test and rollout of grocery pickup in its stores at our properties and introduced co-branded Walmart Canada Penguin Pick-Up locations to help expand their reach into areas of Downtown, Toronto and Montreal, where access to their grocery offering is limited.
parent organization