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: strawberry shortcake is a doll.

Output: strawberry shortcake


Input: Consider Input: michelbach-le-bas is a commune.

Output: michelbach-le-bas


Input: Consider Input: paul virilio (]; 4 january 1932 – 10 september 2018) was a french cultural theorist, urbanist, and aesthetic philosopher.


Output: paul virilio