Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to assess your cat's weight [title] Feel for your cat's ribs. [step] Have your cat in a standing position and kneel behind it. Place your thumbs on its backbone and spread your hands down over its ribcage.

Ending1: Then feel for your cat's ribs. [substeps] You should be able to feel your cats ribs, but they should not be visible with your naked eye. Ending2: You should feel the ribs and the bones there. Feeling for joints and ribs will give you a better idea of the distance between these organs. Ending3: Hold a pinecone exam by gripping the weight of the pinecone in your hand and sliding it up and down until you feel your cat's ribs. [substeps] You may get an accurate reading of your cat's current weight but there are a number of factors that affect your results. Ending4: You should also feel for the bony protrusions along its ribs. [substeps] Rib sizes vary significantly so feeling for the fuller variety can help determine how much your cat has overall weight.

Answer format: ending1/ending2/ending3/ending4