Vision is a type of Imagination. you are likely to find Soul in/at/on Imagination. Soul is a synonym of Ghost. Ghost is a synonym of Echo. 
Option is a synonym of Switch. Switch is related to Exchange. Exchange is a synonym of Central. Central is similar to Nuclear. 
Vision --IsA--> Imagination <--AtLocation-- Soul <--Synonym--> Ghost <--Synonym--> Echo 
Option <--Synonym--> Switch <--RelatedTo--> Exchange <--Synonym--> Central <--SimilarTo--> Nuclear 