Under section 173(1) of the Equality Act 2010 the definition of “assistance” goes beyond “a dog which has been trained to guide a blind person” and includes 3 other categories: (b) a dog which has been trained to assist a deaf person; (c) a dog which has been trained by a prescribed charity to assist a disabled person who has a disability that consists of epilepsy or otherwise affects the person's mobility, manual dexterity, physical co-ordination...