Refer to the exhibit. ENDPOINT: https://www.searchworld.org/s/api.php QUERY PARAMETERS: action – Action type – required options: compare, delete, save, search query – Search string – required profile – Search profile to use options: strict, normal, classic format – The format of the output options: XML, xmlfm, JSON, jsonfm namespace – Namespace to search options: 1,2,3,4 HEADERS: AUTH – Authentication token – required The API specification supports searching for articles on the searchworld.org site. What is the most idiomatic (used for its intended purpose) URL and method to retrieve articles about “einstein” in XML format?