Auto-selects "No" for all options
Per
// ==UserScript==
// @name Audio Categorization Script
// @namespace starvingstatic
// @description Auto-selects "No" for all options
// @include https://www.mturkcontent.com/dynamic/*
// @require http://code.jquery.com/jquery-2.1.0.min.js
// @version 0.0.1.20150722162301
// ==/UserScript==
$("input[value='No']").click();