Relative is related to Grandmother. Grandmother is the opposite of Grandfather. Grandfather is the opposite of Grandchild. Grandchild is the opposite of Grandparent. 
Breakfast is a type of Feed. Feed is related to Others. Others is the opposite of Alone. Alone is related to Being. 
Relative <--RelatedTo--> Grandmother <--Antonym--> Grandfather <--Antonym--> Grandchild <--Antonym--> Grandparent 
Breakfast --IsA--> Feed <--RelatedTo--> Others <--Antonym--> Alone <--RelatedTo--> Being 