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: klaus ebner (born august 8, 1964) is an austrian writer of short stories, essays and poetry, and a translator.

SOLUTION: klaus ebner

PROBLEM: escape velocity is the initial speed that something would need to completely escape the gravity of a large body, like a star or a planet (such as the earth), by mere inertia.

SOLUTION: escape velocity

PROBLEM: the national labor party was an australian political party which only existed for three months.

SOLUTION:
national labor party