学生们组织了一场示威活动，抗议学费上涨。

The students organized a ___demonstration to protest the tuition hike.

昨天市中心发生了一场大规模的反战示威。

A large anti-war ___demonstration took place in the city center yesterday.

新闻报道了这场示威以及随后发生的暴力事件。

The news reported on the ___demonstration and the incidents of violence that followed.