Fail is related to Lose. Lose is a synonym of Miss. Miss is related to Lady. Lady is a synonym of Sister. 
Contractor is derived from Contract. Contract is a synonym of Reduce. Reduce is related to Little. 
Fail <--RelatedTo--> Lose <--Synonym--> Miss <--RelatedTo--> Lady <--Synonym--> Sister 
Contractor --DerivedFrom--> Contract <--Synonym--> Reduce <--RelatedTo--> Little 