1. Аdam can't play the guitar and he can't play the piano.
2. Adam can ride a motorbike and he can drive a car.
3. Adam can use a computer but he can't program a computer.
4. Flora can drive a car, but she can't ride a motorbike.
5. Only Sam can play the piano.
6. Only Flora can program a computer.
7. Sam can't ride a motorbike ...
8. Nobody can't play the guitar.
9. Everybody can drive a car.