A girl made up a story and published it on the Internet as a true story. The story went like this; there was a park where, if you went, you would see a boy always playing on his own. He would say to you "Let's play together." If you answered "Yes," you would be killed but if you answered "No," you could go home safe. The story quickly spread among children.
One day the same girl went to a park and saw a boy actually playing there. The boy said to her, "Let's play together." The girl thought nothing of it and casually replied "Yes."
And the girl died.