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.

Input: Consider Input: jesse helms (october 18, 1921 - july 4, 2008) was a senator from north carolina.

Output: jesse helms

Input: Consider Input: chen zhongshi (; august 1942 29 april 2016) was a chinese author.

Output: chen zhongshi

Input: Consider Input: the administrator of the northern territory is the person selected by the governor-general of australia to act as the governor of the northern territory of australia.
Output: administrator of the northern territory