Please choose the correct ending to complete the given sentence: Health: [header] How to treat croup [title] Try to keep your child calm. [step] Croup makes it harder for your child to breathe due to an inflamed airway. If your child is overly-excited or crying, this will make the symptoms worse, and it will become even harder for them to breathe.

Ending1: Attempt to keep your child as calm and still as possible. [substeps] Try holding and cuddling your child if they are upset. Ending2: [title] Let your child run around if they are dealing with croup problems. [step] Croup can make it quite a struggle for your child to breathe and move around. Ending3: Doing this will allow your child to breathe better as well. [substeps] Your child's breathing might also seem more exaggerated or exaggerated than the typical normal wheezing when croup is applied. Ending4: [substeps] If your child is unusually energetic or inconsolable, take them to the pediatrician immediately. He or she may have forgotten the important lessons mentioned before about managing croup.

Answer format: ending1/ending2/ending3/ending4