Mathematics is related to Genre. Genre is related to Fantasy. Fantasy is related to Magic. Magic is a different concept from Trick. 
you are likely to find Food in/at/on Mall. Mall can be used for Eating. Eating is related to Egg. Egg is related to Incredible. 
Mathematics <--RelatedTo--> Genre <--RelatedTo--> Fantasy <--RelatedTo--> Magic <--DistinctFrom--> Trick 
Food --AtLocation--> Mall --UsedFor--> Eating <--RelatedTo--> Egg <--RelatedTo--> Incredible 