You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Input: Consider Input: Category: PUBLISHING 
Clue: Founded in 1856, this company introduced a numbering system for U.S. highways in 1917

Output: rand mcnally


Input: Consider Input: Category: TRANSPORTATION 
Clue: The name of this airline established in 1948 means "skyward"

Output: el al


Input: Consider Input: Category: THE CATHOLIC CHURCH 
Clue: First mentioned in a letter by Clement IV in 1265, this item worn by the Pope features an image of St. Peter in a boat


Output: a ring