Nuclear is related to Sun. Sun is related to Ball. Ball is related to Bright. Bright is related to Idea. 
Snake is related to Belt. you are likely to find Belt in/at/on Closet. 
Nuclear <--RelatedTo--> Sun <--RelatedTo--> Ball <--RelatedTo--> Bright <--RelatedTo--> Idea 
Snake <--RelatedTo--> Belt --AtLocation--> Closet 