Quarterback is a type of Back. you are likely to find Tail in/at/on Back. 
Very is related to Crowd. Crowd is related to Party. Party is related to English. English is related to American. 
Quarterback --IsA--> Back <--AtLocation-- Tail 
Very <--RelatedTo--> Crowd <--RelatedTo--> Party <--RelatedTo--> English <--RelatedTo--> American 