Knee is related to Human. you are likely to find Human in/at/on Jail. 
Concern is related to Danger. Dangerous is derived from Danger. Dangerous is related to Army. Army is related to Captain. 
Knee <--RelatedTo--> Human --AtLocation--> Jail 
Concern <--RelatedTo--> Danger <--DerivedFrom-- Dangerous <--RelatedTo--> Army <--RelatedTo--> Captain 