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]: a diode is an electronic component with two electrodes (connectors) that allows electricity to go through it in one direction and not the other direction.
[EX A]: diode

[EX Q]: violence is when someone attacks someone else, often to get them to do something they do not want to do by making them feel pain or fear.
[EX A]: violence

[EX Q]: machel montano (born 24 november 1974) is a artist from trinidad and tobago.
[EX A]:
machel montano