Great Wall @ Singapore https://t.co/E3jbs59AOx
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/E3jbs59AOx', 'expanded_url': 'https://www.instagram.com/p/CDCTvAqlhrZ/?igshid=fxavtorz7zjr', 'display_url': 'instagram.com/p/CDCTvAqlhrZ/…', 'indices': [23, 46]}]
MARINA CENTRE
['great', 'wall', 'singapore', 'https://t.co/e3jbs59aox']
[]
great wall
great wall singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback for a public flat house. The term "great wall" is likely referring to the Great Wall of China, which is a famous historical landmark and not related to public housing or maintenance reports in Singapore.