Car is related to Wound. Wound is related to Burn. 
Reserve is related to Emergency. Emergency is a synonym of Casualty. Casualty is a type of Decrease. Decrease is the opposite of Build. 
Car <--RelatedTo--> Wound <--RelatedTo--> Burn 
Reserve <--RelatedTo--> Emergency <--Synonym--> Casualty --IsA--> Decrease <--Antonym--> Build 