Ending my challenges working outdoor during Covid-19 pandemic CircuitBreaker CB-DAY9 with beautiful Nature Sunset at Mandai Singapore @ Singapore https://t.co/8Ci3UlchAI
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/8Ci3UlchAI', 'expanded_url': 'https://www.instagram.com/p/B_ABe86pUIv/?igshid=9ghnozkassrv', 'display_url': 'instagram.com/p/B_ABe86pUIv/…', 'indices': [146, 169]}]
MARINA CENTRE
['ending', 'challenge', 'working', 'outdoor', 'covid', '19', 'pandemic', 'circuitbreaker', 'cb-day', '9', 'beautiful', 'nature', 'sunset', 'mandai', 'singapore', 'singapore', 'https://t.co/8ci3ulchai']
['beautiful', 'working', 'beautiful', 'sunset', 'pandemic', 'challenge', 'sunset', 'challenge', 'pandemic', 'challenge', 'pandemic']
ending working outdoor during covid pandemic with beautiful nature sunset
ending challenges working outdoor covid19 pandemic circuitbreaker cbday9 beautiful nature sunset mandai singapore singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for public flat houses. The post is about enjoying the beauty of nature during the COVID-19 pandemic circuit breaker in Singapore, specifically mentioning the sunset at Mandai in Singapore. It does not mention any issues or inconveniences related to public flat houses. Therefore, the answer is "False" for the question of whether the post relates to a maintenance report feedback for public flat houses.