Question: What religion did Vitika Kempner and Abba Kovner have in common?
Sentence (from "Vitka Kempner"): She served in the United Partisan Organization (Fareynikte Partizaner Organizatsye) and, alongside Rozka Korczak and founder Abba Kovner, assumed a leadership role in its successor group, the Avengers (Nokmim) — the only known undefeated ghetto uprising in the history of the Holocaust.
Relevant evidence: No