Work is related to Effort. Strain is a type of Effort. 
Part is a synonym of Piece. Piece is related to Dress. Dress is the opposite of Long. Long is related to Description. 
Work <--RelatedTo--> Effort <--IsA-- Strain 
Part <--Synonym--> Piece <--RelatedTo--> Dress <--Antonym--> Long <--RelatedTo--> Description 