Argentina beat Brazil in Olympics-Christian

A few days ago, Argentina beat Brazil 3-0. The two first goals were scored by Sergio Aguero and the ball was crossed to him the both times. The third goal was scored by Juan Roman Riquelme. Ronaldinho almost scored with a free kick but it hit the post. A Brazilian then scored but it was offside. I thought that Argentina deserved to win because they were trying very hard. 3-0, an embarrassing defeat. I think that the Brazilians gave up.