@beautifullady76 今天5.20，应景儿帖，
<a href="http://twitter.com/download/iphone" rel="nofollow">Twitter for iPhone</a>
PSA Keppel
[]
CITY TERMINALS
@beautifullady  
5 20
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance."},
    ]

It seems that the post does not relate to a maintenance report feedback to a public flat house. The post contains the number 5 and the letter 20, but these do not provide any context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback to a public flat house.