Derek writes a touching poem about the sheer joy of hitting a walk-off grand slam when your team is down by three runs in the bottom of the 9th. After the poem gets published in a collection of classy literature and artwork called "Yankee Doodles," Manny writes a poem about the utter euphoria of hitting a walk-off grand slam when your team is down by two runs in the bottom of the 9th. Everything about the two poems is the same except for the number of runs needed to win the game. Derek believes that Manny improperly copied Derek's work and wants to sue. What steps would have made it easiest for Derek to sue Manny