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]: odd future is a group of hip hop musicians from los angeles, united states.
[EX A]: odd future

[EX Q]: teleportation is the supposed movement of matter from one point to another without travelling across the physical space between them.
[EX A]: teleportation

[EX Q]: sir ben kingsley (born krishna pandit bhanji, 31 december 1943) is a british actor.
[EX A]:
ben kingsley