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: a hamburger is a type of sandwich with cooked ground meat between the two halves of a bun.

SOLUTION: hamburger

PROBLEM: aillant-sur-tholon is a commune.

SOLUTION: aillant-sur-tholon

PROBLEM: the apostles' creed (latin: "symbolum apostolorum"), sometimes titled symbol of the apostles, is an early statement of christian belief, a creed or "symbol."

SOLUTION:
apostles' creed