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.

[EX Q]: bobby ryan (born robert shane stevenson; march 17, 1987 in cherry hill, new jersey) is an american professional ice hockey right winger.
[EX A]: bobby ryan

[EX Q]: george clifton james (may 29, 1920 – april 15, 2017) was a retired american actor.
[EX A]: clifton james

[EX Q]: cartagena (pronounced /kartaˈçena/ in spanish; the usual english pronunciation is /ˌkaːtəˈheɪnə/ or /ˌkaɹɾəˈheɪnə/), also known as cartagena de indias ("cartagena of the west indies"), is a large city seaport on the northern coast of colombia.
[EX A]:
cartagena de indias