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:
patau syndrome affects about one in 25,000 live births.
answer:
patau syndrome


question:
someo is a village and former municipality of the district of vallemaggia in the canton of ticino in switzerland.
answer:
someo


question:
divandarreh is a city in the kurdistan province of iran.
answer:

divandarreh