Patient presentation

This night it's particularly bad. Miss Lindham no longer knows what to do - Sophie is coughing so badly that it seems she might suffocate.

When the emergency on-call doctor comes, Sophie is already a little better. She is examined briefly and, although the doctor can't detect anything significant on auscultation and Sophie has no fever, he recommends a review in Paediatric A&E.

Which of the following groups of conditions could all cause a chronic cough in small children?