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.

Example Input: lou adler (born december 13, 1933) is a grammy award-winning american record producer, music executive, talent manager, songwriter, movie director, and movie producer.
Example Output: lou adler

Example Input: the archbishop of canterbury is the spiritual leader of the church of england and in the anglican communion the leader of its mother church.
Example Output: archbishop of canterbury

Example Input: gary gerould is a sportscaster currently with the sacramento kings and a motorsport pit reporter for abc and espn.
Example Output:
gary gerould