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: all we know is falling is the first album of the band paramore.

Output: all we know is falling


Input: Consider Input: fukuoka airport (福岡空港, fukuoka kūkō) , formerly known as itazuke air base, is a japanese airport in fukuoka.

Output: fukuoka airport


Input: Consider Input: franco citti (23 april 1935 – 14 january 2016) was an italian actor.


Output: franco citti