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:
an electronic book (also called an e-book, ebook or digital book) is a book in digital form.
answer:
e-book


question:
hexameter is a metrical line of verse.
answer:
hexameter


question:
torny is a municipality in the district of glâne in the canton of fribourg in switzerland.
answer:

torny