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.

[EX Q]: in 1920 the name was changed from fv to sv werder bremen.
[EX A]: werder bremen

[EX Q]: the standard time in kazakhstan is neither utc+05:00 or utc+06:00.
[EX A]: time in kazakhstan

[EX Q]: gustav stresemann (10 may 1878–3 october 1929) was a german liberal politician who was chancellor and foreign minister of germany during the weimar republic.
[EX A]:
gustav stresemann