Assemble is a synonym of Gather. Gather is related to Food. Fish is a type of Food. you are likely to find Bone in/at/on Fish. 
Comparison is related to Son. Son is related to Boy. Boy is related to Seed. Seed is related to Bay. 
Assemble <--Synonym--> Gather <--RelatedTo--> Food <--IsA-- Fish <--AtLocation-- Bone 
Comparison <--RelatedTo--> Son <--RelatedTo--> Boy <--RelatedTo--> Seed <--RelatedTo--> Bay 