Develop is related to Invent. Invent is a synonym of Discover. Discover is a synonym of Identify. Identify is a type of Associate. 
you are likely to find Cake in/at/on Refrigerator. Cake is related to Top. 
Develop <--RelatedTo--> Invent <--Synonym--> Discover <--Synonym--> Identify --IsA--> Associate 
Refrigerator <--AtLocation-- Cake <--RelatedTo--> Top 