Bit is related to Hole. Hole is related to Door. you are likely to find Door in/at/on Classroom. you are likely to find Pen in/at/on Classroom. 
Picture is related to Frame. 
Bit <--RelatedTo--> Hole <--RelatedTo--> Door --AtLocation--> Classroom <--AtLocation-- Pen 
Picture <--RelatedTo--> Frame 