Analyzing the pattern, I see that my opponent chose paper in rounds 3, 5, and 7, with a tendency to play paper after a tie or when I've built momentum. After winning rounds 7 and 8, there's a good chance my opponent might anticipate me choosing rock (a common choice when feeling confident) and counter with paper. Therefore, I'll choose scissors to try to capitalize on this potential pattern. Additionally, my opponent hasn't played scissors since round 2, so they might be due for a different strategy than their recent rock and paper plays.