Find is related to Goal. Goal is a synonym of End. End is related to Line. Line is related to Oil. 
Benefit is a synonym of Assistance. Assistance is related to Support. Foot is a type of Support. Foot is related to Ground. 
Find <--RelatedTo--> Goal <--Synonym--> End <--RelatedTo--> Line <--RelatedTo--> Oil 
Benefit <--Synonym--> Assistance <--RelatedTo--> Support <--IsA-- Foot <--RelatedTo--> Ground 