query: embed.html##defaultView:ImageGrid
  SELECT ?lemma (SAMPLE(?img) AS ?image) WHERE {
    ?l a ontolex:LexicalEntry ; dct:language ?language ; wikibase:lemma ?lemma ; ontolex:sense ?sense .
    ?language wdt:P218 'en' .
    ?sense wdt:P5137 ?item .
    ?item wdt:P18 ?img .
  }
  GROUP BY ?lemma
  ORDER BY ?lemma