Stay at home and stay healthy everyone! @ Singapore https://t.co/49ryikFdRC
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/49ryikFdRC', 'expanded_url': 'https://www.instagram.com/p/B-q-b7KHSki/?igshid=1v5pdfw4r5hig', 'display_url': 'instagram.com/p/B-q-b7KHSki/…', 'indices': [52, 75]}]
MARINA CENTRE
['stay', 'home', 'stay', 'healthy', 'everyone', 'singapore', 'https://t.co/49ryikfdrc']
['healthy']
stay home stay healthy everyone
stay home stay healthy everyone singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat houses. The post is simply encouraging people to stay home and prioritize their health during the COVID-19 pandemic. It does not mention any specific issues or requests related to maintenance or infrastructure for public housing. Therefore, the post does not fit into any of the categories mentioned in the question.