Translation is a type of Motion. Stroke is a type of Motion. Stroke is related to Heart. you are likely to find Heart in/at/on Animal. 
Accident is a synonym of Casualty. Casualty is a synonym of Disaster. Disaster is a type of Emergency. Emergency is related to Hospital. 
Translation --IsA--> Motion <--IsA-- Stroke <--RelatedTo--> Heart --AtLocation--> Animal 
Accident <--Synonym--> Casualty <--Synonym--> Disaster --IsA--> Emergency <--RelatedTo--> Hospital 