Quiet is related to Hard. Hard is related to Effort. Effort is a synonym of Campaign. Campaign is related to President. 
you are likely to find Human in/at/on Pool. you are likely to find Human in/at/on Jail. 
Quiet <--RelatedTo--> Hard <--RelatedTo--> Effort <--Synonym--> Campaign <--RelatedTo--> President 
Pool <--AtLocation-- Human --AtLocation--> Jail 