Answer:
A) ethos
Step-by-step explanation:
Sir Tristram was a contemporary of King Arthur. He was nephew of King Mark and son of King Lyoness. Tristram became the champion upon defeating and killing of Marhaus in Ireland. Sir Tristram was send to fetch Iseult who was getting married to King Mark. She was daughter of King Aguish. When Tristram went to bring the Queen to be they fell in love with each other. They realized there will be no hope for them to stay together when they return to King Mark so they spent their day running.