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: nickel creek was an american acoustic musical group.

Output: nickel creek


Input: Consider Input: anna stadling born 11 july 1970 in sundsvall, sweden is a swedish musical artist.

Output: anna stadling


Input: Consider Input: curitiba is the capital of the state of paraná.


Output: curitiba