question: In the field that Stuart was working , what did he and his colleagues often concentrate on ?
answer: matters of ideology , nationality , ethnicity , social class , and/or gender
turker_answer: In the field that Stuart was working , he and his colleagues often concentrated on matters of ideology , nationality , ethnicity , social class , and/or gender .
rule-based: In the field that Stuart was working , he and his colleagues often concentrated on matters of ideology , nationality , ethnicity , social class , and/or gender .