LabelingSystem/web/libs/editor/src/examples/sentiment_analysis/config.xml

<View>
  <Header value="Choose text sentiment:"/>
  <Text name="my_text" value="$reviewText"/>
  <Choices name="sentiment" toName="my_text" choice="single" showInLine="true">
    <Choice value="Positive"/>
    <Choice value="Negative"/>
    <Choice value="Neutral"/>
  </Choices>
</View>