Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to flatten your belly incorporating small everyday changes [title] Talk and walk. [step] Instead of catching up with friends over food and drinks, suggest a reunion on the move-you're likely to work out if you have an exercise buddy. Suggest a weekly walk-and-talk session, form a friendly fitness club, or try a new class at the gym together.

Ending1: See what supplies they have before or after you move. [title] Balance your body weight throughout the process. Ending2: [title] Sculpt your core while you walk. [step] As you go about your day, imagine there's a magnet pulling your belly button back toward your spine. Ending3: [substeps] It is important to avoid talking again about how your day went, which will only push you further towards shifting your diet and suggesting new steps for your diet. [title] Go on road trips with only a few friends. Ending4: [title] Shake hands once you've been on a walk-and-talk strategy. [step] This lessens the natural tendency for you to get on a ridiculous roll.

Answer format: ending1/ending2/ending3/ending4