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]: universal studios (sometimes called universal pictures or universal city) is one of the major american movie studios that has production studios and offices at 100 universal city plaza drive in universal city, california, an unincorporated area of los angeles county between los angeles and burbank.
[A]: universal studios


[Q]: leo varadkar (]; born 18 january 1979) is an irish fine gael politician.
[A]:
leo varadkar