Race promoter Singapore GP Pte Ltd and f1 1 announced last week the cancellation of the f1nightrace Singapore, due to continuing nationwide restrictions on construction and business activities brought about by the… https://t.co/qCqKHt2emL
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MARINA CENTRE
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['restriction', 'restriction', 'restriction', 'restriction']
race promoter last week cancellation nationwide construction business brought about
race promoter singapore gp pte ltd f1 1 announced last week cancellation f1nightrace singapore due continuing nationwide restrictions construction business activities brought
  [
    {"relatedness": True, "type": "event", "explanation": "cancellation of F1 Night Race in Singapore due to COVID-19 restrictions on construction business activities" },
    {"relatedness": False, "type": "unrelated", "explanation": "This post is not related to maintenance report feedback for public flat house" },
    ]

The post relates to the cancellation of the F1 Night Race in Singapore due to COVID-19 restrictions on construction business activities, which is a type of infrastructure maintenance report feedback. Therefore, the answer is {"relatedness": True, "type": "event", "explanation": "cancellation of F1 Night Race in Singapore due to COVID-19 restrictions on construction business activities"}.