I think he is the most famous and friendly guy in GBTB! 
•
Always see him going around with his bike and music blasting… https://t.co/OJbuDkhG4d
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/OJbuDkhG4d', 'expanded_url': 'https://www.instagram.com/p/B7DvOjEFZ2n/?igshid=lrj08xdy90e6', 'display_url': 'instagram.com/p/B7DvOjEFZ2n/…', 'indices': [121, 144]}]
MARINA SOUTH
['think', 'famous', 'friendly', 'guy', 'gbtb', '•', 'always', 'see', 'going', 'around', 'bike', 'music', 'blasting', '…', 'https://t.co/ojbudkhg4d']
['friendly', 'music', 'friendly', 'famous', 'friendly', 'music', 'music', 'friendly']
think most famous friendly always going around with bike music blasting
think famous friendly guy gbtb always see going around bike music blasting
  [
    {"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 a "famous friendly guy" and "bike music blasting," but there is no mention of any maintenance issues or facilities related to public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none," and "explanation" set to a brief explanation that the post is not related to maintenance report feedback for public flat house.