4. R m ŕ fd
Jurong East Temporary Bus Interchange
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JURONG GATEWAY
ChIJ53Tkz0cR2jERQzU9LNzfjiM; ChIJ53Tkz0cR2jERQzU9LNzfjiM; ChIJ53Tkz0cR2jERQzU9LNzfjiM
4 r fd
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post "4 r fd" does not relate to a maintenance report feedback to public flat house. The post does not contain any information that suggests it is related to public housing or maintenance report feedback. Therefore, the answer is "False" for both "relatedness" and "type".