I'm at Nature’s Nutrition in Kallang, Singapore https://t.co/AfXdgGn3oi
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/AfXdgGn3oi', 'expanded_url': 'https://www.swarmapp.com/c/bxOituCiOsm', 'display_url': 'swarmapp.com/c/bxOituCiOsm', 'indices': [48, 71]}]
KALLANG BAHRU
["i'm", 'nature', '’', 'nutrition', 'kallang', 'singapore', 'https://t.co/afxdggn3oi']
[]
nutrition
nature nutrition kallang singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The term "nature nutrition" and "kallang singapore" do not suggest any specific issue or problem related to public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation that the post is not related to maintenance report feedback for public flat house.