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: skagit valley is a valley in washington in the united states.

Output: skagit valley

Input: Consider Input: he is more often called davy crockett.

Output: davy crockett

Input: Consider Input: john scaddan (4 august 1876 21 november 1934) was the 10th premier of western australia from 7 october 1911 to 27 july 1916.
Output: john scaddan