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.

Q: henry's marriage to catherine of aragon was finally annulled in the following may by archbishop cranmer, thus ending the first of henry's 6 marriages.

A: catherine of aragon
****
Q: yu gamdong (, ?

A: yu gamdong
****
Q: david beckham (born 2 may 1975) is an english retired association football player.

A:
david beckham
****