I'm at Waterway Point in Singapore https://t.co/Lu5Iph44mN
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
North-East Region
[{'url': 'https://t.co/Lu5Iph44mN', 'expanded_url': 'https://www.swarmapp.com/c/8cyoMcY2jj6', 'display_url': 'swarmapp.com/c/8cyoMcY2jj6', 'indices': [35, 58]}]
PUNGGOL TOWN CENTRE
ChIJ_0QTV-MV2jERpnlyUQulVKA
["i'm", 'waterway', 'point', 'singapore', 'https://t.co/lu5iph44mn']
[]
waterway point
waterway 0 singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post "waterway 0 singapore" does not relate to a maintenance report feedback to public flat house. The post does not mention any specific issue or facility related to public housing, and therefore does not fit the given category.