sentence: There's a woman in a pink shirt and black shorts training a dog on a large open lawn. sentence:  she is throwing pink colored Frisbee discs for the dog to run and fetch. sentence:  Every time she throws the disc, the dog gets excited and runs and fetches the disc for her. sentence:  The dog is well trained to catch the disc in its mouth almost every time without missing it. sentence:  there are are few people standing and watching the trainer and the dog.