Throat is related to Body. Nose is part of Body. Nose is related to Horse. 
Tour is a type of Travel. Travel is a synonym of Stroke. Stroke is related to Medical. 
Throat <--RelatedTo--> Body <--PartOf-- Nose <--RelatedTo--> Horse 
Tour --IsA--> Travel <--Synonym--> Stroke <--RelatedTo--> Medical 