Dip is related to Vegetable. Vegetable is related to Crop. Crop is a synonym of Reduce. Thin is a type of Reduce. 
Homework is similar to Assignment. Assignment is a type of Distribution. 
Dip <--RelatedTo--> Vegetable <--RelatedTo--> Crop <--Synonym--> Reduce <--IsA-- Thin 
Homework <--SimilarTo--> Assignment --IsA--> Distribution 