query: #title: Property cannot form cycles (size 3)
  # Complex constraint from [[Property talk:P279]]
  # impossible claim or items should be merged — specific to the size 3 cycles as the generic query is too expensive. A few could be found initially, maybe it will timeout when those are corrected.
  select ?item ?intermediate {
    ?item wdt:P279/wdt:P279 ?intermediate .
    ?intermediate wdt:P279 ?item .
  } limit 5