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.
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Question: the pseudomonadales are an order of proteobacteria.

Answer: pseudomonadales


Question: bath rugby are a rugby club based in bath, england who play in the aviva premiership.

Answer: bath rugby


Question: scharans is a municipality of the district of hinterrhein in the canton of graubünden in switzerland.

Answer:
scharans