Task: Pos Tagging
Input (English): Sentence: This is not to deny the existence of pogroms and ghettos , but only to assert that these horrors have had an effect on the nerves of people {{ who }} did not experience them , that among the various side effects is the local hysteria of Jewish writers and intellectuals who cry out from confusion , which they call oppression and pain . 
Word: who
Output (English): PRON