Please choose the correct ending to complete the given sentence: Health: [header] How to teach your children to have good posture [title] Teach by example. [step] The best way to show children how to have good is to demonstrate as much yourself. Children, especially very young children, tend to learn best by observation.

Ending1: Look at your child's posture patterns while they are standing, sitting, or lying down and model good posture to them. [substeps] Bring your child to a quiet, but comfortable room and show them pictures of the type of posture you use. Ending2: Gradually increase their awareness of you by showing them your issues. [substeps] Let children get used to people standing close to them and move forward so they can choose their positions with greater ease. Ending3: If teaching them a skill properly helps you avoid trying to correct a mistake, then you could demonstrate in class until your children understand it. [substeps] You could say, " today, i'm going to show children how to walk with their legs straight. Ending4: If you've worked a desk job for a long time, you may have developed bad habits regarding your own posture. Be conscious of how you're sitting and make sure you keep your back straight at all times.

Answer format: ending1/ending2/ending3/ending4