Answer: A) conflict.
The poem Lochinvar describes a brave, strong knight who is in love with a woman named Ellen. Ellen is about to be married to another man in the castle of Netherby, and Lochinvar wants to attend. He tells everyone that he wants to be there because he wants to celebrate with the woman, and say goodbye to her. However, the real reason is that he wants to run away with her. His plot works, and the lovers escape and are never seen again.