Terrorism can be Illegal. Terrorism would make you want to Hide. Hide is related to Mask. 
Association is related to Guilt. Killing can cause/lead to Guilt. you are likely to find Killing in/at/on War. 
Illegal <--HasProperty-- Terrorism --CausesDesire--> Hide <--RelatedTo--> Mask 
Association <--RelatedTo--> Guilt <--Causes-- Killing --AtLocation--> War 