To look for an entity with a specific pattern such as the a Canadian Postal Code the best path to take would be Question 6 options: Create a predicate rule that looks for strings followed by letters with a distance of 1 between them Create a concept rule looking with terms with the first space being each letter in the alphabet Look for each term with a length of 6 that has numbers and letters, Create a regex expression looking for letters followed by numbers followed by letter ect