I'm at Sentosa Boardwalk in Singapore https://t.co/kt0j0QTFZJ
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Singapore
[{'url': 'https://t.co/kt0j0QTFZJ', 'expanded_url': 'https://www.swarmapp.com/c/dAVFJgszjYa', 'display_url': 'swarmapp.com/c/dAVFJgszjYa', 'indices': [38, 61]}]
["i'm", 'sentosa', 'boardwalk', 'singapore', 'https://t.co/kt0j0qtfzj']
[]
boardwalk
sentosa boardwalk singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback to public flat house in Singapore. The term "sentosa boardwalk" is likely referring to a popular tourist attraction in Singapore, and not related to any maintenance issue in a public housing estate.