Please choose the correct ending to complete the given sentence: Disc dog: There are several other people in that park with their dogs, sitting under canopies. The man is throwing a frisbee for the dog to fetch. the dog

Ending1: is running around and fetching the frisbee for its owner. Ending2: follows the frisbee around the park. Ending3: has a frisbee in its mouth attached to a string. Ending4: is running and jumping on the dog's back as the man frisbee frisbee it and get it to also grab a frisbee.

Answer format: ending1/ending2/ending3/ending4