ref1 = `SELECT ?item ?itemLabel ?property ?propertyLabel ?reference ?referenceLabel ?value ?valueLabel ?target ?targetLabel WHERE {
{
SELECT ?item ?property ?value ?reference ?target WHERE {
hint:Query hint:optimizer "None".
BIND(wd:${item1} AS ?item)
BIND(wd:${item2} AS ?target)
?reference wikibase:reference ?pr.
?ref ?pr ?target.
?statement prov:wasDerivedFrom ?ref.
?item ?p ?statement.
?property wikibase:claim ?p;
wikibase:statementProperty ?ps.
?statement ?ps ?value.
}
}
SERVICE wikibase:label { bd:serviceParam wikibase:language "${lang}, en". }
}`