From the window you could see the clock tower: it struck nine and this meant that the Math teacher would stay another hour in the classroom. Susanna listened, from the outside you could hear a dog barking. She should not be affected by that noise, but any valid reason was estranged from that boring lesson. She did not like school and mathematics either.
Below I have tried to briefly list a few clues for those who study the Italian language. I hope it will help them clarify some of the doubts and difficulties they may encounter during the learning process.