query: SELECT 
      ?item ?itemLabel 
      ?whatever ?whateverLabel 
      (COUNT(DISTINCT ?class) as ?ct)
  {
      ?item wdt:P31 wd:Q6979593 . 
      ?item wdt:P2094 ?whatever .  
      ?item wdt:P2094 ?class 
      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }
  GROUP BY
      ?item ?itemLabel 
      ?whatever ?whateverLabel 
  HAVING (?ct > 1)