if turnover == "Under £36 million"  || turnover == "£36 million to £60 million" || turnover == "£60 million to £100 million" || revenue == "AU$ 0-99M" || revenue == "AU$ 100-150M" || revenue == "AU$ 150-200M" || revenue == "AU$ 200-250M"
  "Small"
else if turnover == "£100 million to £500 million" || revenue == "AU$ 250-300M" || revenue == "AU$ 300-350M" || revenue == "AU$ 350-400M" || revenue == "AU$ 400-450M" || revenue == "AU$ 450-500M" || revenue == "AU$ 500-600M" || revenue == "AU$ 600-700M" || revenue == "AU$ 700-800M"
  "Medium"
else if turnover == "Over £500 million" || revenue == "AU$ 800-900M" || revenue == "AU$ 900M-1BN" || revenue == "AU$ 1BN+"
  "Large"
else 
  "Unknown"