OrderBy(Project(Extend(Extend(AggregationJoin(Aggregation(??agg1: ?other, SAMPLE,
                                              {},
                                              G1=Group((?other),
                                                 Filter((?other != <http://example.org/nature>),
                                                 BGP( ?sale <http://example.org/sold> <http://example.org/nature> .
                                                  ?sale <http://example.org/sold> ?other .
                                                  ?sale <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/sale>)))),
                                              Aggregation(??agg2: ?other, COUNT,
                                              {}, G1)),
                              ?offer,
                              ??agg1),
                       ?otherCount,
                       ??agg2),
                {?offer, ?otherCount}), (desc (?otherCount)))