Singapore: 7:21pm: sunset
<a href="http://twitter.com/WorldCities/cities" rel="nofollow">World Cities</a>
North-East Region
[]
SEMBAWANG HILLS
['singapore', '7:21', 'pm', 'sunset']
['sunset', 'sunset']
sunset
singapore 7 21pm sunset
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

The post does not relate to a maintenance report feedback to public flat house. The term "singapore" suggests the location, but there is no mention of any specific issue or facility related to public housing. Therefore, the answer is "relatedness": False, and the type is "none".