Read the sentences from the "Ellis Island Oral History Project" excerpt. Oh, I, it was so beautiful to see her. Ten years I didn't see her. I mean, she looked different, and I was so grown up. I was only eight years old when she left and then I was eighteen. I was young lady. Well, I came and she was hugging me. We both cry.

What is the central idea of the sentences?

It is not easy to avoid those closest to us.
Time does not affect one's overall appearance.
Reunions awaken memories and emotions.
It is possible to remember childhood events.