Singapore: 7:09pm: sunset
<a href="http://twitter.com/WorldCities/cities" rel="nofollow">World Cities</a>
North-East Region
[]
SEMBAWANG HILLS
['singapore', '7:09', 'pm', 'sunset']
['sunset', 'sunset']
sunset
singapore 7 09pm sunset
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

The provided Twitter post does not seem to relate to a maintenance report feedback for a public flat house. The post simply mentions the time of sunset in Singapore, and does not contain any information that suggests it is a report or feedback related to maintenance. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation that the post is not related to maintenance report feedback.