Purpose is the opposite of Accident. Accident is related to Claim. 
Pull is related to Energy. Person wants (to) Energy. Person is related to Politician. Politician does not want (to) Scandal. 
Purpose <--Antonym--> Accident <--RelatedTo--> Claim 
Pull <--RelatedTo--> Energy <--Desires-- Person <--RelatedTo--> Politician --NotDesires--> Scandal 