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.

Q: lycksele is a town in northern sweden.

A: lycksele
****
Q: sir john soane (10 september 1753 20 january 1837) was an english architect.

A: john soane
****
Q: aditya i or aditya chola, the son of vijayalaya chola, is the second ruler of the medieval cholas.

A:
aditya i
****