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.

[Q]: capellen is a town in the commune of mamer, in south-western luxembourg, 12 km west of luxembourg city.
[A]: capellen

[Q]: air jamaica is the national airline of jamaica from kingston, jamaica.
[A]: air jamaica

[Q]: quassel irc, or quassel, is an irc client, introduced in 2008.
[A]:
quassel