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