At 1507 on 11 Mar 2021

#grasshopper @ Singapore https://t.co/nFDEel8WUM
Central Region
[{'url': 'https://t.co/nFDEel8WUM', 'expanded_url': 'https://www.instagram.com/p/CMRRi0rnQ2D/?igshid=2w5ynkgj2luq', 'display_url': 'instagram.com/p/CMRRi0rnQ2D/…', 'indices': [49, 72]}]
MARINA CENTRE
['1507', '11', 'mar', '2021', '#grasshopper', 'singapore', 'https://t.co/nfdeel8wum']
['mar']
#grasshopper
1507 11 mar 2021 grasshopper singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance."},
    ]

The post does not relate to a maintenance report feedback to public flat house. The Twitter post mentions "grasshopper singapore" but does not provide any information that suggests it is related to a maintenance issue or public housing. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" because the post does not belong to any category. The "explanation" field provides a brief explanation for why the post is not related to the requested topic.