Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get burrs out of dog hair [title] Identify what a burr looks like. [step] A bur is a seed that has a hook or teeth on it. These teeth or hooks are designed to latch onto a passing animal's fur, as a means of dispersing the seeds elsewhere.

Ending1: If a dog has burs, they usually have a single hook that can be easily pulled back out, relocating the spot in the comb. [substeps] Burs are often used for veterinary work. Ending2: Burrs come in all shapes and sizes but they all are seeds that attach themselves to animals. [substeps] Plant awns are similar to burrs except they are bristle-shaped seeds that are shaped like a fish hook. Ending3: When you are looking through existing dog hair, look for hairs that look like long , 2-4 inches (5.1-7.6 cm) long strips of hair. [substeps] The teeth vary in length, diameter, and color. Ending4: For health reasons, dogs usually look for burrs in their fur, but some dogs may refuse the method. [substeps] Burr is a short, two-d operation that pulls hair from other animals' fur, whether it's bone, scraps of fur, or more than one hair.

Answer format: ending1/ending2/ending3/ending4