Television is a type of Machine. Machine can be used for Broadcast. Episode is a type of Broadcast. Episode is related to Tv. 
Battle is related to Confrontation. Confrontation is a synonym of Encounter. 
Television --IsA--> Machine --UsedFor--> Broadcast <--IsA-- Episode <--RelatedTo--> Tv 
Battle <--RelatedTo--> Confrontation <--Synonym--> Encounter 