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:
one of the books that cornelia meigs wrote won the newbery medal in 1934.
answer:
cornelia meigs


question:
ammonium carbonate, also known as baker's ammonia or sal volatile, is a chemical compound.
answer:
ammonium carbonate


question:
grand-rullecourt is a commune.
answer:

grand-rullecourt