Photographer is derived from Photograph. you are likely to find Photograph in/at/on Shelf. you are likely to find Shelf in/at/on Room. Room is a synonym of Board. 
Person wants (to) World. German is a type of Person. German is related to Language. Language is related to Communication. 
Photographer --DerivedFrom--> Photograph --AtLocation--> Shelf --AtLocation--> Room <--Synonym--> Board 
World <--Desires-- Person <--IsA-- German <--RelatedTo--> Language <--RelatedTo--> Communication 