Costa grove 
2029/2030
Maln bedroom1
Bedroom2/3Bedroom
Uvlng/Dlnlng 
Maln bedroom 4 https://t.co/7jkZGZJf2J
Blk 215
[]
PASIR RIS DRIVE
costa grove bedroom bedroom bedroom bedroom
costa grove 2029 2030 maln bedroom1 bedroom2 3bedroom uvlng dlnlng maln bedroom 4
  [
    {"relatedness": True, "type": "facility", "explanation": "broken facility (e.g. lift, window, etc.) requires maintenance"},
    {"relatedness": True, "type": "inconvenience", "explanation": "illegal parking causes inconvenience"},
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback"}
    ]

The post mentions the following information related to maintenance report feedback for a public flat house:

* "costa grove 2029 2030" - This is the block number or street where the issue is located.
* "maln bedroom1 bedroom2 3bedroom" - This is the number of bedrooms in the flat, which can help identify the type of flat.
* "uvlng dlnlng maln bedroom" - This is an unclear or incomplete mention of a specific facility or room in the flat that requires maintenance.
* "maln bedroom 4" - This is an unclear or incomplete mention of a specific room in the flat that requires maintenance.

Therefore, the answer is:

{"relatedness": True, "type": "facility", "explanation": "broken facility (e.g. lift, window, etc.) requires maintenance"}