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.

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

Example Input: hadstock is a village and civil parish in uttlesford, essex, england.
Example Output: hadstock

Example Input: rostam giv or arbab rostam giv ( alternative spellings: rustam guiv) (1880, yazd, iran - october 7 1980, whittier, california), was the founder of giv charity foundation.
Example Output:
rostam giv