Echo is a type of Award. you are likely to find Echo in/at/on Bridge. Bridge is related to Captain. Chief is etymologically related to Captain. 
Idea is related to Abstract. Abstract is related to Ready. Ready is related to Running. Stadium can be used for Running. 
Award <--IsA-- Echo --AtLocation--> Bridge <--RelatedTo--> Captain <--EtymologicallyRelatedTo-- Chief 
Idea <--RelatedTo--> Abstract <--RelatedTo--> Ready <--RelatedTo--> Running <--UsedFor-- Stadium 