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:
san diego creek is a small northwest-flowing river in orange county, california.
answer:
san diego creek


question:
a modest proposal is a famous work of satire by irish writer jonathan swift.
answer:
a modest proposal


question:
waiting for guffman is a musical mockumentary movie made in 1997.
answer:

waiting for guffman