Write the next sentence in the following story.

How to house a quaker parrot
Buy a correctly-sized cage.
Your quaker parrot deserves to have enough space to live in happily. It will need enough space to spread its wings and to have separate spaces to nest, eat, and play.

OPTIONS:
i. Read other established bird literature to get an idea of the type of, but not so, what size cage your quaker might need. Lower gauge cages tend to be more expensive and constructed..
ii. However, quaker parrots are relatively small birds, so one bird typically needs a cage that is at least 18 inches (45.7 cm) tall , 18 inches wide, and 18 inches (45.7 cm) deep. If you can afford to buy your bird a bigger cage, then you should do that..
iii. Your quaker parrot will also need to be able to stand and stretch its wings, like some species do. Ultimately, having a 12 or 16-foot cage is going to be the cheapest and most well-kept cage for a quaker parrot..
iv. Ideally, quaker birds should be able to sleep with around 10 feet (3.0 m) of room between them. Putting a large cage in an area in your home that receives lots of sunlight will make it extremely unlikely that you need more house birds in your living space... The answer should be
ii.