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:
a hospital ship is a big boat which is built to cure patients.
answer:
hospital ship


question:
the nemean lion ( ""; latin: "leo nemaeus") was a vicious monster in greek mythology that lived at nemea.
answer:
nemean lion


question:
blondie is an american new wave pop-rock band who were most popular in the 1970s and 1980s.
answer:

blondie