ref1 = `SELECT DISTINCT ?item1 ?item1Label
?item2 ?item2Label
?property ?propertyLabel ?reference ?referenceLabel ?target ?targetLabel WHERE {
{
SELECT ?item1?item2 ?property ?value ?reference ?target WHERE {
BIND(wd:${item1} AS ?item1)
BIND(wd:${item2} AS ?item2)
?reference wikibase:reference ?pr.
?ref1 ?pr ?target.
?statement1 prov:wasDerivedFrom ?ref1.
?item1 ?p ?statement1.
?property wikibase:claim ?p;
wikibase:statementProperty ?ps.
?item2 ?p ?statement2.
?statement2 prov:wasDerivedFrom ?ref2.
?ref2 ?pr ?target.
}
}
SERVICE wikibase:label { bd:serviceParam wikibase:language "${lang}, en". }
}`