With one of my students who never fails to impress me with his knack for Mathematics and with his diligence. I will surely miss him when he graduates later this year. @ Serangoon Secondary… https://t.co/R8PqkuVXfs
<a href="http://instagram.com" rel="nofollow">Instagram</a>
North-East Region
[{'url': 'https://t.co/R8PqkuVXfs', 'expanded_url': 'https://www.instagram.com/p/CB26sHfBj0vEPRa_hZoeafgUbCTf8fSE7OsXsw0/?igshid=7l0eb8skv4j7', 'display_url': 'instagram.com/p/CB26sHfBj0vE…', 'indices': [190, 213]}]
KANGKAR
['one', 'student', 'never', 'fails', 'impress', 'knack', 'mathematics', 'diligence', 'surely', 'miss', 'graduate', 'later', 'year', 'serangoon', 'secondary', '…', 'https://t.co/r8pqkuvxfs']
['diligence', 'impress', 'knack', 'diligence']
with never impress with knack mathematics with diligence will surely miss when later this year secondary
1 students never fails impress knack mathematics diligence surely miss graduates later year serangoon secondary
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The post mentions students and mathematics, but there is no mention of any facilities or infrastructure that might require maintenance. Therefore, the post does not fit the given category.