Cheek is a synonym of Nerve. Nerve is related to Inside. Inside is related to Closet. you are likely to find Light in/at/on Closet. 
Killing can cause/lead to Guilt. Guilt is related to Association. 
Cheek <--Synonym--> Nerve <--RelatedTo--> Inside <--RelatedTo--> Closet <--AtLocation-- Light 
Killing --Causes--> Guilt <--RelatedTo--> Association 