Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to teach a dog to read sign language [title] Try obedience signs first. [step] Using obedience hand signals first is good because other dog trainers will know these signals, even if they don't rely on them solely. For instance, a common hand sign for " down " is to hold your hand up at your shoulder with your elbow bent, then move your hand to the floor.

Ending1: Then, simply rest your hand there for a short moment. [substeps] This trick works at different distances for all dogs. Ending2: As your dog approaches your hand, follow the sign, but place your hand a foot away from it. After a few seconds, make a fist with your hand, then shift it to its chest. Ending3: [substeps] The main drawback to using only obedience signs is they may not cover everything you want to do with your dog. [title] Use american sign language (asl). Ending4: Then, the right of the palm of your hand will be facing the left, with your forearm parallel with the floor. [substeps] Say " down " as simple as you can before your dog or dog drops the hand.

Answer format: ending1/ending2/ending3/ending4