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: anne osborn krueger (; born february 12, 1934) is an american economist.

A: anne osborn krueger
****
Q: jeong mong-ju (, hanja:鄭夢周, 1337 - april 1392) was a korean goryo dynasty politician, writer, poet and thinker.

A: jeong mong-ju
****
Q: priapulida (priapulid or penis worms) are a phylum of marine worms.

A:
priapulida
****