story: Arnold had a small daughter and a tall son. He named them the same so he ended up calling them by their height. Tall would prepare the table and Small would wash the dishes. People never understood why he called them that way. But he told them that having the same name, it was the best way.
 selected sentence: People never understood why he called them that way.
People don't understand why Arnold chose those nicknames >Causes> People feel(s) curious