query: SELECT DISTINCT ?item (sample(?object) as ?art) ?collection
    WITH {
    SELECT ?item ?object ?collection WHERE {
    ?item wdt:P31 wd:Q5.
  #  ?item wdt:P106 wd:Q1028181 .
    ?object wdt:P170 ?item.#maker
    ?object wdt:P195 ?collection.
    ?collection wdt:P31/wdt:P279* wd:Q33506.
    } 
    } AS %results
    WHERE {
      INCLUDE %results.
    FILTER NOT EXISTS {?item wdt:P6379 ?collection.}.  
  #  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  group by ?item ?collection
  LIMIT 100