Questions about Barns

A few weeks ago, Alistair had a nightmare about farm animals. We have explained many times that farm animals are very nice (i.e. Jim and Joe pull the horses at Billings Farm) so he doesn't need to be scared. Besides, animals live on farms and are not allowed in the house. Today while walking back from the village market with Colin, whenever they walked past a house with an attached barn, Alistair asked if there were animals living there.