Sleeve is related to Piece. Piece is a synonym of Slice. 
While is a synonym of Effort. Struggle is a type of Effort. Struggle is related to Climb. Climb is related to Fun. 
Sleeve <--RelatedTo--> Piece <--Synonym--> Slice 
While <--Synonym--> Effort <--IsA-- Struggle <--RelatedTo--> Climb <--RelatedTo--> Fun 