SandboxData.js

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/* **************
SELECT ?item ?itemLabel WHERE {
SERVICE wikibase:label {
  bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" .
} 
?item prop:P2 entity:Q5
} 
************** */
[
  {
    "item": "https://lingualibre.org/entity/Q12",
    "itemLabel": "beginner"
  },
  {
    "item": "https://lingualibre.org/entity/Q13",
    "itemLabel": "average level"
  },
  {
    "item": "https://lingualibre.org/entity/Q14",
    "itemLabel": "good level"
  },
  {
    "item": "https://lingualibre.org/entity/Q15",
    "itemLabel": "native"
  }
]