Multi-select problem: How does the next paragraph end?

She is throwing pink colored frisbee discs for the dog to run and fetch. every time she throws the disc

Select from: [i] or frisbee, the dog returns with a frisbee of his his own.. [ii] , the puppy curves around to dodge the thrown disc and the dog runs to fetch it.. [iii] , she gets another loop for the dog to chase.. [iv] , the dog gets excited and runs and fetches the disc for her..
[iv]