Hon Dr AYESHA VERRALL: This isn't quite as interesting as the question might have been had I also been answering on behalf of the Minister of Education. I am not aware of advice on that particular issue, but I am aware of estimates from overseas where, for example, the United Kingdom, that has very similar close-contact isolation requirements that we will at phase 3, has approximately 4 percent to 6 percent absentee rate due to self-isolation across a variety of sectors.