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: land of the free is the national anthem of belize.

Output: land of the free


Input: Consider Input: a superscalar cpu design makes a form of parallel computing called instruction-level parallelism inside a single cpu, which allows more work to be done at the same clock rate.

Output: superscalar


Input: Consider Input: satin is a type of cloth that has a glossy surface and a dull back.


Output: satin