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: lycksele is a town in northern sweden.

SOLUTION: lycksele

PROBLEM: the viverridae is a family of small to medium-sized mammals, the viverrids.

SOLUTION: viverridae

PROBLEM: the arrondissement of loches is an arrondissement of france, in the indre-et-loire department, centre-val de loire region.

SOLUTION:
arrondissement of loches