Dog is the opposite of Car. Car is related to Bar. Bar is related to Examination. 
Water can be used for Drinking. Drinking can cause/lead to Swallow. Swallow is related to Body. Body is related to Being. 
Dog <--Antonym--> Car <--RelatedTo--> Bar <--RelatedTo--> Examination 
Water --UsedFor--> Drinking --Causes--> Swallow <--RelatedTo--> Body <--RelatedTo--> Being 