{"SUBJECT":1,"RAND_GROUP":"Drug A","RAND_STRATA":"<65yr"}
{"SUBJECT":2,"RAND_GROUP":"Drug B","RAND_STRATA":">=65yr"}
{"SUBJECT":3,"RAND_GROUP":"Drug A","RAND_STRATA":"<65yr"}
{"SUBJECT":4,"RAND_GROUP":"Drug B","RAND_STRATA":">=65yr"}
{"SUBJECT":5,"RAND_STRATA":">=65yr"}