Just posted a photo @ Srisun Express https://t.co/NPykC1LiEO
East Region
[{'url': 'https://t.co/NPykC1LiEO', 'expanded_url': 'https://www.instagram.com/p/CKGWggZBYaO/?igshid=mgya2temaeh8', 'display_url': 'instagram.com/p/CKGWggZBYaO/…', 'indices': [37, 60]}]
TAMPINES EAST
['posted', 'photo', 'srisun', 'express', 'https://t.co/npykc1lieo']
[]
just posted photo express
posted photo srisun express
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the post you provided does not relate to a maintenance report feedback to public flat house. The post is simply a photo of a train with the caption "Srisun Express". Therefore, the answer is that the post does not relate to the given category.