Empire is related to Vast. Vast is the opposite of Minute. Minute is related to Unit. Crew is a type of Unit. 
you are likely to find Lighting in/at/on Theater. Theater is related to Scene. Scene is related to Kill. one thing you do when you Kill is Guilt. 
Empire <--RelatedTo--> Vast <--Antonym--> Minute <--RelatedTo--> Unit <--IsA-- Crew 
Lighting --AtLocation--> Theater <--RelatedTo--> Scene <--RelatedTo--> Kill --HasSubevent--> Guilt 