instruction:
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.
question:
hair straightening is when a person makes their hair straighter.
answer:
hair straightening


question:
ronald ross (13 may 1857 – 16 september 1932) was an english doctor.
answer:
ronald ross


question:
isaac watts (17 july 1674 – 25 november 1748) was an english pastor, preacher, poet, and hymn writer.
answer:

isaac watts