Sophisticated
#steel #steelworks #architecture #bridge #canon @ Helix Bridge https://t.co/S3XVBe6wql
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Singapore
[{'url': 'https://t.co/S3XVBe6wql', 'expanded_url': 'https://www.instagram.com/p/B8DIY9NAbva/?igshid=1rt2q3tafz7yj', 'display_url': 'instagram.com/p/B8DIY9NAbva/…', 'indices': [77, 100]}]
BAYFRONT SUBZONE
['sophisticated', '#steel', '#steelworks', '#architecture', '#bridge', '#canon', 'helix', 'bridge', 'https://t.co/s3xvbe6wql']
[]
sophisticated #steel #steelworks #architecture #bridge #canon helix bridge
sophisticated steel steelworks architecture bridge canon helix bridge
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The provided Twitter post does not seem to be related to a maintenance report feedback for public flat houses. The post features a description of a bridge with a unique design, which does not match the criteria for a maintenance report. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.