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]: monsignor lorenzo albacete (january 7, 1941 – october 24, 2014) was an american theologian, roman catholic priest, scientist and author.
[EX A]: lorenzo albacete

[EX Q]: kappa (uppercase/lowercase Κ κ), is the letter of the greek alphabet, used to represent the "k" sound in ancient and modern greek.
[EX A]: kappa

[EX Q]: admiral is the highest rank in a navy.
[EX A]:
admiral