Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to prepare your child for nursery school [title] Work on potty training. [step] Some schools will expect your child to be at least partially potty trained, especially if your child is 4-years-old or older. If your child is younger, your child may not need to be completely potty trained, but you should be working on it with your child.

Ending1: [substeps] Unfortunately, some-preferably as young children-won't like potty training in small spaces like a bathroom. Out of respect for your child's needs, you should also be able to teach your child how to potty train outdoors. Ending2: [substeps] Wait for you child to be ready. Your child should start showing interest in the toilet and underwear, at about 2 or 2 and a 1/2, before you begin. Ending3: To make sure your child is potty trained, try asking your child's pediatrician if this is possible and do so. [substeps] Let your child know that potty training can be a fun part of a good day. Ending4: [title] Teach your child to use the potty. [step] Pay attention to how your child likes to use the bathroom.

Answer format: ending1/ending2/ending3/ending4