EU Edges Toward Certificates for Vaccines, More Curbs on Exports https://t.co/ekuFq9bWbS
North-East Region
[{'url': 'https://t.co/ekuFq9bWbS', 'expanded_url': 'http://dlvr.it/RtVG6N', 'display_url': 'dlvr.it/RtVG6N', 'indices': [65, 88]}]
SERANGOON GARDEN
['eu', 'edge', 'toward', 'certificate', 'vaccine', 'curb', 'export', 'https://t.co/ekufq9bwbs']
['vaccine']
toward more
eu edges toward certificates vaccines curbs exports
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The given Twitter post does not relate to a maintenance report feedback for public flat houses. The post is about the European Union's approach towards certifying vaccines and imposing curbs on exports, which has no connection to maintenance reports or public flat houses. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.