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.
Take context from the input text and decide on the accurate relationship between 'Nissan LEAF' and 'Nissan' from the options provided.
Options: chief executive officer, creator, brand, owner of