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{"used":"Yes","metal":"plat","coef":0.11,"age":"1","sex":"M"}
{"used":"Yes","metal":"gold","coef":0.09,"age":"1","sex":"M"}
{"used":"Yes","metal":"silver","coef":0.075,"age":"1","sex":"M"}
{"used":"Yes","metal":"bronze","coef":0.051,"age":"1","sex":"M"}
{"used":"Yes","metal":"cat","coef":0.05,"age":"1","sex":"M"}