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.

[EX Q]: mohamed aboutrika (; born 7 november 1978) is a retired egyptian footballer.
[EX A]: mohamed aboutrika

[EX Q]: the tornado outbreak sequence of june 1966 was a series of tornado outbreaks which happened between june 2 and june 12.
[EX A]: tornado outbreak sequence of june 1966

[EX Q]: in baseball, a fair ball is a batted ball that gives the batter to attempt to reach first base.
[EX A]:
fair ball