tennis player
Tom es un muy buen tenista.
Tom is a very good tennis player.
He oído que eres un buen tenista.
I've heard you're a good tennis player.
Margaret, cuyo padre conociste el sábado pasado, es una muy buena tenista.
Margaret, whose father you met last Saturday, is a very good tennis player.
Tom es un buen tenista.
Tom is a good tennis player.
She is a good tennis player.