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.

Input: Consider Input: gossliwil is a former municipality in the district bucheggberg, in the canton of solothurn, switzerland.

Output: gossliwil


Input: Consider Input: the wisconsin river is a river in the united states.

Output: wisconsin river


Input: Consider Input: nasi lemak is a commonly found food in brunei, malaysia and singapore.


Output: nasi lemak