Looking at the previous rounds, my opponent chose rock in round 1 and paper in round 2. This might suggest they're following a standard rotation pattern (rock → paper → scissors). If this pattern continues, they'll likely choose scissors for round 3. By choosing rock, I can potentially win this round since rock beats scissors. Even if they're thinking more strategically and trying to counter my moves, rock gives me a balanced option that could either win or tie based on the opponent's previous behavior.