Contact is a type of Representative. Brush is a type of Contact. 
Wealthy is a synonym of Substantial. Substantial is a synonym of Strong. Strong is related to Horse. you are likely to find Horse in/at/on Pocket. 
Representative <--IsA-- Contact <--IsA-- Brush 
Wealthy <--Synonym--> Substantial <--Synonym--> Strong <--RelatedTo--> Horse --AtLocation--> Pocket 