This is just sad #A380 #SQ https://t.co/3zvSRQmB75
Changi Exhibition Centre
[]
CHANGI AIRPORT
['sad', '#a380', '#sq', 'https://t.co/3zvsrqmb75']
[]
this just #a   
sad a380 sq
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "sad a380 sq" does not relate to a maintenance report feedback to a public flat house. The post does not mention any specific issue or facility related to public housing, and therefore it does not fit into any of the categories I was trained on.