Covid-19 CB-Day7..lockdown..#stayhome #socialdistancing. OBS boat in lockdown B&amp;W #sharephotos #prayfortheworld @ Singapore https://t.co/eR7HlkAPlB
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/eR7HlkAPlB', 'expanded_url': 'https://www.instagram.com/p/B-6jbtopr0g/?igshid=gxq7vvfcbi0c', 'display_url': 'instagram.com/p/B-6jbtopr0g/…', 'indices': [128, 151]}]
MARINA CENTRE
['covid', '19', 'cb-day', '7', '..', 'lockdown', '..', '#stayhome', '#socialdistancing', 'ob', 'boat', 'lockdown', 'b', 'w', '#sharephotos', '#prayfortheworld', 'singapore', 'https://t.co/er7hlkaplb']
[]
covid #stayhome #socialdistancing boat #sharephotos #prayfortheworld
covid19 cbday7 lockdown stayhome socialdistancing obs boat lockdown b amp w sharephotos prayfortheworld singapore
  [
    {"relatedness": True, "type": "facility", "explanation": "broken lockdown measures"},
    {"relatedness": True, "type": "inconvenience", "explanation": "difficulty staying at home during lockdown"},
    {"relatedness": True, "type": "location", "explanation": "block number or street affected by lockdown"},
    {"relatedness": False, "type": "none", "explanation": "not related to maintenance or reporting feedback"}
    ]

The post relates to a maintenance report feedback to public flat house in the following ways:

* "broken lockdown measures" relates to a facility that is not functioning properly, which is a common issue in maintenance reports.
* "difficulty staying at home during lockdown" relates to an inconvenience that may be experienced by residents due to lockdown measures, which is a common issue in maintenance reports.
* "block number or street affected by lockdown" relates to a location that is impacted by lockdown measures, which is a common issue in maintenance reports.

Therefore, the answer is:

{"relatedness": True, "type": "facility", "explanation": "broken lockdown measures"}

Note: The explanation provided is a short explanation of the relationship between the post and the maintenance report feedback. The explanation can be further expanded or clarified based on the context of the post and the specific issue being reported.