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.

Q: john mercer langston (december 14, 1829 – november 15, 1897) was a dean at howard university.

A: john mercer langston
****
Q: ronald ross (13 may 1857 – 16 september 1932) was an english doctor.

A: ronald ross
****
Q: miangul aurangzeb (urdu/pashto: ميانگل اووررنگزيب) (28 may 1928 – 3 august 2014) is a pakistani politician.

A:
miangul aurangzeb
****