Egg is related to Soft. Soft is similar to Little. Little is related to Cut. 
Cart is related to Small. Small is related to Safe. Safe is related to Home. 
Egg <--RelatedTo--> Soft <--SimilarTo--> Little <--RelatedTo--> Cut 
Cart <--RelatedTo--> Small <--RelatedTo--> Safe <--RelatedTo--> Home 