TASK DEFINITION: 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.
PROBLEM: the division of moore is an australian electoral division in the state of western australia.

SOLUTION: division of moore

PROBLEM: a modest proposal is a famous work of satire by irish writer jonathan swift.

SOLUTION: a modest proposal

PROBLEM: thomas peter thorvald kristian ferdinand mortensen (august 16, 1882 – april 25, 1998), known as an adult as christian mortensen, was a danish-american supercentenarian.

SOLUTION:
christian mortensen