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: venice is a city in italy.

A: venice
****
Q: funkadelic was a funk band from the united states.

A: funkadelic
****
Q: stomach cancer, or gastric cancer, is a kind of cancer from any part of the stomach.

A:
stomach cancer
****