Beef is related to Eating. Corn can be used for Eating. Corn is related to Candy. Candy is related to Bar. 
Lunch is the opposite of Afternoon. Afternoon is related to Morning. 
Beef <--RelatedTo--> Eating <--UsedFor-- Corn <--RelatedTo--> Candy <--RelatedTo--> Bar 
Lunch <--Antonym--> Afternoon <--RelatedTo--> Morning 