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: year 25 bc was either a common year starting on wednesday, thursday or friday or a leap year starting on wednesday or thursday of the julian calendar.

Output: 25 bc


Input: Consider Input: l'elisir d'amore is an italian comic opera in two acts.

Output: l'elisir d'amore


Input: Consider Input: abdul aziz al ghurair (1954) from the united arab emirates is the chief executive of the publicly traded mashreq bank.


Output: abdul aziz al ghurair