Accompany grandma to shop hehe (@ Sheng Siong Supermarket in Singapore) https://t.co/OFyT1O43PQ
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
North-East Region
[{'url': 'https://t.co/OFyT1O43PQ', 'expanded_url': 'https://www.swarmapp.com/c/76TJy4aMkNP', 'display_url': 'swarmapp.com/c/76TJy4aMkNP', 'indices': [72, 95]}]
KEBUN BAHRU
['accompany', 'grandma', 'shop', 'hehe', 'sheng', 'siong', 'supermarket', 'singapore', 'https://t.co/ofyt1o43pq']
[]
accompany grandma shop hehe sheng supermarket
accompany grandma shop hehe sheng siong supermarket 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 relate to a maintenance report feedback for a public flat house. The post is about accompanying a grandmother to a supermarket in Singapore, and does not mention any issues or concerns related to maintenance or 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 of why the post is not related to the requested topic.