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: børge rosenbaum (3 january 1909 – 23 december 2000), known professionally as victor borge , was a danish-american comedian, conductor, and pianist.

Output: victor borge


Input: Consider Input: the long-beaked echidnas make up one of the two genera (genus zaglossus) of echidna.

Output: long-beaked echidna


Input: Consider Input: magnum bonum was a pop group from huddinge in sweden, scoring several chart successes in sweden during the 1970's and 80's.


Output: magnum bonum