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: alphonse laveran (charles louis alphonse laveran, 18 june 1845 – 18 may 1922) was a french military doctor.

SOLUTION: alphonse laveran

PROBLEM: chelers is a commune.

SOLUTION: chelers

PROBLEM: a potluck is a gathering of people.

SOLUTION:
potluck