I was reading that last quarter the Nissan LEAF was the most popular vehicle period in Europe and you were able to buy it at a discount to its equivalent, which is the Nissan Qashqai or I don't know how you pronounce that but you know what I'm talking about I assume.
Analyze the relationship between 'Nissan LEAF' and 'Nissan' within the context of the input sentence.
Options: owner of, brand, creator, chief executive officer