Definition: In this task, a passage will be given and the goal is to identify an event from the passage. An event is defined as a single word representing something that happened, is happening, or may happen. An event can be factual or hypothetical, positive or negative, certain or uncertain. While most events are based on verbs, an event can also be based on a noun (ex. storm, snow, rainfall) or a copula verb (is, was, been, etc.). The event must not be a pronoun or an adjective. For noun events with multiple words, use the last word in the phrase as event.
Input: Passage: According to the ministry, China has more than 450,000 elementary and secondAcoordingary schools with more than 210 million students and more than 120,000 kindergartens with 22 million children. Zhou also called for immediate measures to eliminate safety risks involving food poisoning, student fights and other mass incidents.

has