Singapore's colourful skyline 
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#huaweiphotography #mobilephotography #cityskyline #singapore @VisitSingapore #dusk @ Marina Barrage https://t.co/O6XPplEvsY
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/O6XPplEvsY', 'expanded_url': 'https://www.instagram.com/p/CBIzSKVpTD0/?igshid=hl6t4smviw16', 'display_url': 'instagram.com/p/CBIzSKVpTD0/…', 'indices': [140, 163]}]
MARINA SOUTH
["singapore's", 'colourful', 'skyline', '.\n.\n.\n.', '#huaweiphotography', '#mobilephotography', '#cityskyline', '#singapore', '@visitsingapore', '#dusk', 'marina', 'barrage', 'https://t.co/o6xpplevsy']
[]
#huaweiphotography #mobilephotography #cityskyline #singapore @visitsingapore #dusk marina barrage
singapore colourful skyline huaweiphotography mobilephotography cityskyline singapore dusk marina barrage
  [
    {"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 public flat house. The post is about a scenic view of Singapore's skyline during dusk, 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.