question: What famous writers have lived in Tucson ?
answer: Edward Abbey , Erskine Caldwell , Barbara Kingsolver and David Foster Wallace
turker_answer: Edward Abbey , Erskine Caldwell , Barbara Kingsolver and David Foster Wallace are all famous writers who have lived in Tucson .
rule-based: Edward Abbey , Erskine Caldwell , Barbara Kingsolver and David Foster Wallace have lived in Tucson .