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]: the demographics of pakistan are a study of the population and the people.
[A]: demographics of pakistan


[Q]: landing craft are small or medium sized boats.
[A]: landing craft


[Q]: la massana (originally "la maçana") is one of the seven parishes of andorra.
[A]:
la massana