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:
the features of a production vehicle or production car are mass-produced identical models, offered for sale to the public.
answer:
production vehicle


question:
painting is using colours to make art.
answer:
painting


question:
orathanadu taluk is a taluk of thanjavur district in the indian state of tamil nadu.
answer:

orathanadu taluk