def make_example_id(*, claim_id, wikipedia_url,
                    sentence_id, scrape_type):
  """Create a string example id for claim-evidence pairs.

  Args:
    claim_id: Fever claim id
    wikipedia_url: The wikipedia url of the evidence
    sentence_id: The sentence id of the evidence
    scrape_type: The scrape that this evidence came from

  Returns:
    A string example id
  """
  return f'{claim_id}@{wikipedia_url}@{sentence_id}@{scrape_type}'