query: select ?x ?xLabel {
       ?x wdt:P361/wdt:P31/wdt:P279* wd:Q11448906 # part of / instance of / subclass of: science award
       filter not exists {  ?x wdt:P31 wd:Q11448906} # but itself is not science award
       SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }