Cleaning bot at One-North MRT station in Singapore doing its chores. It picks up dust, does light mopping, and sanitizes the floor using ultraviolet light. The blue reflection off the floor is the ultraviolet light from LEDs. Whether it’s effective and efficient is another matter https://t.co/QSQjON7Eq8
one-north MRT Station (CC23)
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ONE NORTH
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['effective', 'efficient', 'cleaning', 'pick', 'effective', 'efficient', 'blue', 'efficient', 'chore', 'dust']
cleaning station doing dust does light floor ultraviolet light blue reflection floor ultraviolet light from whether effective efficient another matter
cleaning bot onenorth mrt station singapore chores picks dust light mopping sanitizes floor using ultraviolet light blue reflection floor ultraviolet light leds whether effective efficient another matter
  [
    {"relatedness": True, "type": "facility", "explanation": "onenorth MRT station"},
    {"relatedness": True, "type": "cleaning", "explanation": "cleaning the station"},
    {"relatedness": True, "type": "maintenance", "explanation": "fixing the floor"},
    {"relatedness": False, "type": "other", "explanation": "not related to maintenance or public housing"}]

The post relates to a maintenance report feedback for a public flat house, specifically mentioning the cleaning of the onenorth MRT station in Singapore. The post mentions the use of ultraviolet light to sanitize the floor, which is a common practice in maintaining public facilities. Therefore, the answer is "True" for the "relatedness" field, and the "type" field is set to "facility" to indicate that the post is related to a public facility. The "explanation" field includes the location of the post, which is the onenorth MRT station in Singapore.