Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

Ex Input:
monsignor lorenzo albacete (january 7, 1941 – october 24, 2014) was an american theologian, roman catholic priest, scientist and author.

Ex Output:
lorenzo albacete


Ex Input:
accountancy or accounting is the job of sharing financial information about a business to managers and shareholders (people who have invested in the business).

Ex Output:
accountancy


Ex Input:
if two numbers have the same order of magnitude, they are about the same size.

Ex Output:

order of magnitude