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: hair straightening is when a person makes their hair straighter.

A: hair straightening
****
Q: laurie cunningham is a former football player.

A: laurie cunningham
****
Q: gabrielle union (born october 29, 1972 in omaha, nebraska) is an american movie actress.

A:
gabrielle union
****