Beginning of Essay
To tell the , I would like to say 2 stories. The first story is about an experiment. About 6 years ago, I read an article on science magazine. It has been long time since I read that, so I can't remember detail content. But the whole story is like below. ....

Middle of Essay
.... to play with the robots, a truck or small cars. Also, X liked to play with a doll, too. Whenever somebody asked the gender of X to X's parents, they said just "X'. No one could know X's gender except X's parents and some scientists. About 5 years later, X became the age for school. X's parents and scientists considered the appearance of X. They cut X's hair. It was little bit longer than other boys, but shorter than other girls. X put the girl's upper garment and the boy's pants. It was so hard to distinguish the X's gender by X's appearance. At school, X was adapted well. X could play the soccer as well as the other boys and could play t ....