Satellite is a type of Equipment. Equipment is related to Case. Case is related to Suite. Suite is related to Large. 
Agency is related to Advertising. Advertising is a type of Communication. Document is a type of Communication. 
Satellite --IsA--> Equipment <--RelatedTo--> Case <--RelatedTo--> Suite <--RelatedTo--> Large 
Agency <--RelatedTo--> Advertising --IsA--> Communication <--IsA-- Document 