function createEmailBody(responses) {
  // parse form response data
  let name = responses.Name[0].trim();
  let industry = responses['What industry do you work in?'][0];
  let source = responses['How did you find out about this course?'][0];
  let rating = responses['On a scale of 1 - 5 how would you rate this course?'][0];
  let productFeedback = responses['What could be different to make it a 5 rating?'][0];
  let otherFeedback = responses['Any other feedback?'][0];

  // create email body
  let htmlBody = 'Hi ' + name + ',<br><br>' +
    'Thanks for responding to our course feedback questionnaire.<br><br>' +
      'It\'s really useful to us to help improve this course.<br><br>' +
        'Have a great day!<br><br>' +
          'Thanks,<br>' +
            'Course Team<br><br>' +
              '****************************************************************<br><br>' +
                '<i>Your feedback:<br><br>' +
                  'What industry do you work in?<br><br>' +
                    industry + '<br><br>' +
                      'How did you find out about this course?<br><br>' +
                        source + '<br><br>' +
                          'On a scale of 1 - 5 how would you rate this course?<br><br>' +
                            rating + '<br><br>' +
                              'What could be different to make it a 5 rating?<br><br>' +
                                productFeedback + '<br><br>' +
                                  'Any other feedback?<br><br>' +
                                    otherFeedback + '<br><br></i>';

  return htmlBody;
}
Creates email body and includes feedback from Google Form.

@param {string} responses - The form response data
@return {string} - The email body as an HTML string