T-3 weeks to the #Singapore National #TrackandField Open Championships.

  #hammerthrow  #sgmasterstrackandfield #singaporathletics #athletics #hammertraining #SgFitness #FitnessSG  #sgfitspo 
#singaporefitness #keepingitreal #fitinmyfifties #hammerjo https://t.co/Ens7kxn8bs
Kallang Practice Track
[]
TANJONG RHU
['3', 'week', '#singapore', 'national', '#trackandfield', 'open', 'championship', '#hammerthrow', '#sgmasterstrackandfield', '#singaporathletics', '#athletics', '#hammertraining', '#sgfitness', '#fitnesssg', '#sgfitspo', '#singaporefitness', '#keepingitreal', '#fitinmyfifties', '#hammerjo', 'https://t.co/ens7kxn8bs']
[]
#singapore national #trackandfield open #hammerthrow #singaporathletics #athletics #hammertraining #sgfitness #fitnesssg #sgfitspo #singaporefitness #keepingitreal #fitinmyfifties #hammerjo
t3 weeks singapore national trackandfield open championships hammerthrow sgmasterstrackandfield singaporathletics athletics hammertraining sgfitness fitnesssg sgfitspo singaporefitness keepingitreal fitinmyfifties hammerjo
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to relate to a maintenance report feedback for a public flat house. The post mentions the Singapore National Track and Field Championships and hammer throw, but does not mention any issues or concerns related to maintenance or public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation indicating that the post is not related to the requested topic.