question: What was brought about by the Ottomans that caused and uplift in the classes of Greek society ?
answer: Greek shipping tradition recovered during Ottoman rule when a substantial merchant middle class developed
turker_answer: During Ottoman rule Greek shipping tradition recovered when a substantial merchant middle class developed .
rule-based: Greek shipping tradition recovered during Ottoman rule when a substantial merchant middle class developed was brought about by the Ottomans that caused and uplift in the classes of Greek society .