Exotic is related to Silk. you are likely to find Silk in/at/on Shirt. Shirt is related to Size. Size is related to Waist. 
Explosion is related to Bomb. Bomb is a synonym of Book. 
Exotic <--RelatedTo--> Silk --AtLocation--> Shirt <--RelatedTo--> Size <--RelatedTo--> Waist 
Explosion <--RelatedTo--> Bomb <--Synonym--> Book 