[{"arm": "canonical (\u539f\u59cb)", "N": 10000, "alice": 186, "alice_pct": 1.86, "mg_total": 946, "top": "Alice", "top_n": 186, "top_share": 19.7}, {"arm": "ctrl replay (\u91cd\u653e)", "N": 10000, "alice": 116, "alice_pct": 1.16, "mg_total": 986, "top": "Alice", "top_n": 116, "top_share": 11.8}, {"arm": "mask (\u5220\u6587\u6863)", "N": 10000, "alice": 25, "alice_pct": 0.25, "mg_total": 855, "top": "Mary", "top_n": 41, "top_share": 4.8}]