you are likely to find Police in/at/on Town. Downtown is derived from Town. you are likely to find Garage in/at/on Downtown. 
Discipline is a type of Training. Discipline is related to Manner. Manner is related to Good. Good is related to Rank. 
Police --AtLocation--> Town <--DerivedFrom-- Downtown <--AtLocation-- Garage 
Training <--IsA-- Discipline <--RelatedTo--> Manner <--RelatedTo--> Good <--RelatedTo--> Rank 