3. Carlo lives on the sixth floor.
Carlo goes to school.
Carlo plays with Dori until his father comes home.
Dori lives in the same building.
Carlo sees a woman and her son in the elevator.
Carlo's father helps the children to find Danny.
There is one child in the apartment 902.
Danny cannot talk.
Danny isn't Carlo's classmate.
4. Carlo sees a woman and a boy in the elevator.
Carlo asks Dori about the new boy.
Carlo's father calls the woman in the apartment 902.
Danny's mother invites Carlo and Dori to stop by.
Carlo and Dori meet Danny.
The children play together.
Danny is very happy.