1 Themes of Revenge: Automatic Identification of Vengeful Content in Textual Data Yair Neuman 1 * Eden Shalom Erez 2 Joshua Tschantret 3 Hayden Weiss 4 The Department of Cognitive and Brain Sciences and the Zlotowski Center for 1 Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva, Israel yneuman@bgu.ac.il 2 Independent Researcher, edenerez@gmail.com 3 Department of Political Science, Emory University, 1555 Dickey Drive, Atlanta, GA 30322. E-mail: joshua.tschantret@emory.edu 4 Byram Hills High School. 12 Tripp Ln, Armonk, NY 10504 weissh22@byramhills.net *Corresponding author