Device is related to Stick. Stick is related to Post. 
Flash is a type of Show. Flash is related to Photograph. Photograph is related to Developing. Developing is related to Civilization. 
Device <--RelatedTo--> Stick <--RelatedTo--> Post 
Show <--IsA-- Flash <--RelatedTo--> Photograph <--RelatedTo--> Developing <--RelatedTo--> Civilization 