if param == ''..AB_SYSTEM_get(cid,AB_SYSTEM_USER_RANDOM_NUMBER)..'' then
        AB_SYSTEM_set(cid, AB_SYSTEM_CAN_USE_TALKACTION, 0)
        AB_SYSTEM_set(cid, AB_SYSTEM_USER_RANDOM_NUMBER, 0)
        AB_SYSTEM_set(cid, AB_SYSTEM_TIMES_RESPOND_WRONG, 0)
        AB_SYSTEM_send_player_white_text(cid, "Thank you for the correct answer.")