#Project h1 My First Network Graph #Class 사람 물건 #Relation isFriendOf likes #Nodes A 사람 하나 B 사람 윌리엄_길버트 X 물건 휴대폰 Y 물건 컴퓨터 #Links A B isFriendOf B A isFriendOf A X likes B Y likes #End