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: fufu (pounded yam or cassava) is a food dish which first came from west africa, but is enjoyed by many people across the world.

A: fufu
****
Q: an part of any of the world's legal systems is impartiality.

A: impartiality
****
Q: acq is a commune.

A:
acq
****