Tino was a student at Highgates school of English, just like you.
He stayed with us for a year. But now he's a university student, so has to move out.
OK. Now I know Tino, but who's Momo?
Momo was a Japanese girl at the same school and Tino and Momo were best friends.
But she went back to Tokyo.
OK. Now I know Momo, too. But how am I different from her?
Well...