input: Write a python function to classify a company into predefined categories or "OTHER".
  assert classify_company("AUTOMOTIVE") == "AUTOMOTIVE"
  assert classify_company("FOOD & BEVERAGE") == "FOOD & BEVERAGE"
  assert classify_company("FINANCE") == "FINANCE"
  assert classify_company("TECHNOLOGY") == "TECHNOLOGY"
  assert classify_company("HEALTHCARE") == "OTHER"
  assert classify_company("RETAIL") == "OTHER"
output: def classify_company(industry):
      categories = {"AUTOMOTIVE", "FOOD & BEVERAGE", "FINANCE", "TECHNOLOGY"}
      return industry if industry in categories else "OTHER"