Project(Extend(Extend(Extend(AggregationJoin(Aggregation(??agg1: ?pid, SAMPLE,
                                             {},
                                             G1=Group((?pid,
                                                ?cond),
                                                Join(ToMultiSet({{(?pid, <http://www.example.com/products/Rl5RVl5R>)},
                                                     {(?pid, <http://www.example.com/products/Rl5RVl5Q>)},
                                                     {(?pid, <http://www.example.com/products/Rl5RVl5W>)},
                                                     {(?pid, <http://www.example.com/products/Rl5RVl5Y>)},
                                                     {(?pid, <http://www.example.com/products/Rl5RVl5U>)}}),
                                                Extend(Extend(BGP( ?oid <http://www.example.com/datam/op/isOfferOf> ?pid .
                                                               ?oid <http://www.example.com/datam/dp/price> ?price .
                                                               ?oid <http://www.example.com/datam/dp/condition> ?cond),
                                                       ?newOid1,
                                                       if((?cond = 1), ?oid, <http://example/null>) ),
                                                ?newOid0,
                                                if((?cond = 0), <http://example/null>, ?oid) )))),
                                             Aggregation(??agg2: ?newOid0, SAMPLE,
                                             {}, G1),
                                             Aggregation(??agg3: ?newOid1, SAMPLE,
                                             {}, G1)),
                             ?pid,
                             ??agg1),
                      ?oidAs0,
                      ??agg2),
               ?oidAs1,
               ??agg3),
        {?pid, ?oidAs0, ?oidAs1})