Please choose the correct ending to complete the given sentence: Health: [header] How to get a flatter stomach [title] Understand how exercise can flatten your stomach. [step] Many people think that abdominal exercises alone will give them a flat stomach. If you have belly fat, you will not be able to see your abdominal muscles and your stomach may look rounder.

Ending1: While abdominal exercises can strengthen and tone your abdominal muscles, you must do aerobic exercise and strength training to reduce overall body fat and the fat in your abdomen. [substeps] There is no such thing as spot training. Ending2: A healthy, toned belly is an ideal place to see your abdominal muscles while you are exercising. [substeps] Remember that you are building your abdominal muscles to flatter your stomach. Ending3: [substeps] Exercise the hardest part of your workout to get a toned stomach. The ultimate goal is to build muscle around your midsection and make it look firmer. Ending4: Not everything causes a flat stomach, but exercise alone will. The following exercise will help you to work out and explore different body types.

Answer format: ending1/ending2/ending3/ending4