Utility is a type of Facility. Facility is related to Warehouse. Warehouse is related to Big. 
Colony is related to House. House is related to Chicken. Chicken is the opposite of Brave. Brave is related to Courage. 
Utility --IsA--> Facility <--RelatedTo--> Warehouse <--RelatedTo--> Big 
Colony <--RelatedTo--> House <--RelatedTo--> Chicken <--Antonym--> Brave <--RelatedTo--> Courage 