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.

Input: Consider Input: the nissan maxima is an automobile produced by nissan motor company in seven generations since 1981.

Output: nissan maxima


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

Output: paolo ferrari


Input: Consider Input: alphonse laveran (charles louis alphonse laveran, 18 june 1845 – 18 may 1922) was a french military doctor.


Output: alphonse laveran