Краткое пояснение: Если можно, лучше заменить существительное местоимением, чтобы избежать повторения.
A: There's a car outside our gate.
B: Who's in the car?
A: I can see a man and a woman. I know the
man - it's my friend's dad but I don't know
a woman.
A: There's a car outside our gate.
B: Who's in the car?
A: I can see a man and a woman. I know the
man - it's my friend's dad but I don't know
her.