Middle is related to Island. Island can be used for Isolation. Privacy is a type of Isolation. 
Harvest is a synonym of Result. Result is a type of Happen. Develop is a type of Happen. Develop is related to Manufacturing. 
Middle <--RelatedTo--> Island --UsedFor--> Isolation <--IsA-- Privacy 
Harvest <--Synonym--> Result --IsA--> Happen <--IsA-- Develop <--RelatedTo--> Manufacturing 