Grassy knolls. https://t.co/cNeis9dGJf
Jalan Ulu Sembawang
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MANDAI WEST
['grassy', 'knoll', 'https://t.co/cneis9dgjf']
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grassy
grassy knolls
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat houses."},
    ]

It seems that the term "grassy knolls" is not related to maintenance report feedback for public flat houses. It's possible that the user is referring to a different topic or concept.