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: guido altarelli (july 12, 1941 - september 30, 2015) was an italian theoretical physicist.

A: guido altarelli
****
Q: georges loinger (29 august 1910 28 december 2018) was a french resistance fighter during world war ii.

A: georges loinger
****
Q: sonja sutter (17 january 1931 1 june 2017) was a german movie and television actress.

A:
sonja sutter
****