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: the sunflower ("helianthus annuus") is a living annual plant in the family asteraceae, with a large flower head ("capitulum").

Output: sunflower


Input: Consider Input: anton buttigieg, kuom ( ]; 19 february 1912 – 5 may 1983) was a maltese politician.

Output: anton buttigieg


Input: Consider Input: violence is when someone attacks someone else, often to get them to do something they do not want to do by making them feel pain or fear.


Output: violence