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: paolo ferrari (26 february 1929 – 6 may 2018) was an italian actor.
Example Output: paolo ferrari

Example Input: enac alumni (also referred to as ingenac) is an alumni association based in toulouse, midi-pyrénées.
Example Output: enac alumni

Example Input: mpika district is a district of zambia in the northern province.
Example Output:
mpika district