Given the task definition and input, reply with output. Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.

Paragraph: A 34-year-old woman from Loudi city in the central province of Hunan confessed to poisoning the yoghurt drink before delivering to the students, Xinhua said on Saturday. It said the woman was suspected to be suffering from a mental disorder. Three children were in serious condition but their lives were not in danger, Xinhua said. Investigations were going on. There have been several attacks on schools in China in recent years while at the same time, food safety has become a contentious issue with a rising number of food-poisoning cases due in part to lax safety standards at small factories. Claim: Nineteen students sick in China from poisoned yoghurt.
Nineteen primary school children in China have been hospitalized after drinking yoghurt said to be laced with rat poison and herbicide, the Xinhua state news said.