Roll is related to Sauce. Sauce is related to Pasta. Pasta is related to Egg. Egg is related to Eye. 
Formal is a synonym of Standard. Standard is related to Marker. 
Roll <--RelatedTo--> Sauce <--RelatedTo--> Pasta <--RelatedTo--> Egg <--RelatedTo--> Eye 
Formal <--Synonym--> Standard <--RelatedTo--> Marker 