Daughter is related to Tie. Tie is related to Marry. Marry is related to Enter. 
Day is a type of Era. Day is related to Love. Love is related to Great. 
Daughter <--RelatedTo--> Tie <--RelatedTo--> Marry <--RelatedTo--> Enter 
Era <--IsA-- Day <--RelatedTo--> Love <--RelatedTo--> Great 