Paul, John and George are friends.
One is English, one is American and one is Irish.
One is a model, one is a singer and one is a footballer.
Paul is not English;
John is not English;
Paul is not American;
Paul is not a footballer;
The American is not a footballer;
John is a singer.
Per ciascuno dei tre amici scopri nazionalità e professione.
>>> Soluzione