you are likely to find Potato in/at/on Grocery. Food is a type of Grocery. Food is related to Ankle. 
Patch is related to Clothing. Clothing is related to Department. Department is related to Employment. Engagement is a type of Employment. 
Potato --AtLocation--> Grocery <--IsA-- Food <--RelatedTo--> Ankle 
Patch <--RelatedTo--> Clothing <--RelatedTo--> Department <--RelatedTo--> Employment <--IsA-- Engagement 