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: There are fears that ash and acid rain will continue to fall on homes and food crops, leading to the contamination of water supplies and respiratory problems for inhabitants. The Vanuatu government has not declared a state of emergency but has taken precautions in case the eruptions become worse.

are