A: Is it a 'he' or a 'she' ?
B: It's a 'she'.
A: Does she sing?
B: No, she doesn't.
A: Does she star in a show?
B: No, she doesn't.
A: Does she do sports?
B: Yes.
A: What sport is she famous at?
B: At tennis.
A: What nationality is she?
B: She's american.
A: So, she's Serena Williams.