     print("- explaining query")
     try database.read { (m) in
         print("- mediator: \(m)")
-        let store       = try LanguageQuadStore(mediator: m, acceptLanguages: [("en", 1.0), ("", 0.5)])
+//        let store       = try LanguageQuadStore(mediator: m, acceptLanguages: [("en", 1.0), ("", 0.5)])
+        let store       = try QuadStore(mediator: m)
         print("- store: \(store)")
         var defaultGraph: Term
         if let g = graph {

    var count       = 0
    let startTime = getCurrentTime()
    try database.read { (m) in
        let store       = try LanguageQuadStore(mediator: m, acceptLanguages: [("en", 1.0), ("", 0.5)])
        //            let store       = try QuadStore(mediator: m)
        
        var defaultGraph: Term
        if let g = graph {
            defaultGraph = g

        var printAlgebra = false
        var printSPARQL = false
        var pretty = true
        if let next = args.peek(), next.lowercased() == "-s" {
            _ = args.next()
            printSPARQL = true
            if next == "-S" {
                pretty = true
            }
        }
        if let next = args.peek(), next == "-a" {
            _ = args.next()
