Medal is related to Steel. Steel is related to Better. Better is related to Excellent. Excellent is the opposite of Horrible. 
you would Fish because Meal. Meal is related to Salad. 
Medal <--RelatedTo--> Steel <--RelatedTo--> Better <--RelatedTo--> Excellent <--Antonym--> Horrible 
Fish --MotivatedByGoal--> Meal <--RelatedTo--> Salad 