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: ambleteuse is a commune.

A: ambleteuse
****
Q: lionel scaloni (born 16 may 1978) is an argentine football player.

A: lionel scaloni
****
Q: the may, 2 2010 pichilemu earthquake was a magnitude 6.0 m earthquake that struck off pichilemu, chile, at 10:52 am on may 2, 2010 at the epicenter, at a depth of 31 km.

A:
2010 pichilemu earthquake
****