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]: alphonse laveran (charles louis alphonse laveran, 18 june 1845 – 18 may 1922) was a french military doctor.
[EX A]: alphonse laveran

[EX Q]: pennywise is an american melodic hardcore band.
[EX A]: pennywise

[EX Q]: mark e. green (born november 8, 1964) is an american physician and politician from the state of tennessee.
[EX A]:
mark e. green