Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get rid of bad cat breath [title] Look in your cat's mouth. [step] You want to determine if your cat's oral hygiene is at fault for the bad breath. Place the cat on a table so that you work at a comfortable height.

Ending1: Look in their mouth from up above with the tip of your finger. They should be able to move their tongue freely. Ending2: Make sure the lighting is good so that you can see well. Gently lift the cat's upper lip until you can see the teeth. Ending3: At the same time, make sure that it sees you as the source of the foul smelling smell. Tilt its chin up and look at you. Ending4: Your cat should also have a mouth open in order to breath. [substeps] You want to make sure the cat's bottom lip is raised so that it doesn't put pressure on the gums.

Answer format: ending1/ending2/ending3/ending4