// ==UserScript==
// @name         Video Review MTurk None of the Above Selector
// @version      0.1
// @description  Automatically clicks "None of the above" for each video
// @author       You
// @match        https://www.mturkcontent.com/dynamic/hit*
// @require      http://code.jquery.com/jquery-git.js
// @grant        none
// @namespace https://greasyfork.org/users/710
// @downloadURL none
// ==/UserScript==

$("td[id$='answer_0'] label").each(function() { $(this).click();});