CARPI, Italy — The older woman asked to hear a story. “An excellent choice,” answered the small robot, reclined like a nonchalant professor atop the classroom’s desk, instructing her to listen closely. She leaned in, her wizened forehead almost touching the smooth plastic head. “Once upon a time,” the robot began a brief tale, and when it finished asked her what job the protagonist had. “Shepherd,” Bona Poli, 85, responded meekly. The robot didn’t hear so well.