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.

the archbishop of canterbury is the spiritual leader of the church of england and in the anglican communion the leader of its mother church.
archbishop of canterbury

area code 701 is an area code for the u.s. state of north dakota.
area code 701

leniniana is a topic for collecting postage stamps that tell about the life and story of lenin (1870–1924) or people, places, etc. connected with him.

leniniana