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]: ille-et-vilaine is a department found in the west of france in the brittany region.
[EX A]: ille-et-vilaine

[EX Q]: lou adler (born december 13, 1933) is a grammy award-winning american record producer, music executive, talent manager, songwriter, movie director, and movie producer.
[EX A]: lou adler

[EX Q]: the term alternation of generations is used to describe a process in the life cycle of some eukaryotes.
[EX A]:
alternation of generations