早朝からウビン島をカヤックで散策。
海の上を、川を、森の中を3〜4時間ほど漕いでたんじゃないかな。
初めてしっかりと日焼けしました。ようやく東南アジア感が出てきました。笑 https://t.co/1PjCt3N59o
Pulau Ubin
[]
3 4
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback to a public flat house. The post contains the number 3 and 4, but it does not mention any specific issue or facility related to public housing. Therefore, the answer is "relatedness": False.