Nest is related to Inside. Inside is related to Balloon. Balloon can be used for Celebration. Celebration is related to Fair. 
you are likely to find Attribute in/at/on Array. Array is related to Math. Math is related to Product. Product is related to Sum. 
Nest <--RelatedTo--> Inside <--RelatedTo--> Balloon --UsedFor--> Celebration <--RelatedTo--> Fair 
Attribute --AtLocation--> Array <--RelatedTo--> Math <--RelatedTo--> Product <--RelatedTo--> Sum 