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: dakota johnson (born october 4, 1989 in austin, texas) is an american actress and model.

SOLUTION: dakota johnson

PROBLEM: the melbourne storm are an australian professional rugby league team.

SOLUTION: melbourne storm

PROBLEM: vellore district is one of the 32 districts in the tamil nadu state of india.

SOLUTION:
vellore district