The old man began to hesitate. The man with glasses felt that the old man might play, so he continued to tempt him. He hoped that the old man would also join this simple game. After all, the old man was sitting right beside him.

"You guys play. I'll just take a look. I don't have much money. I can't play this game." The old man paused for a moment and insisted on not playing.

"What's so difficult? You only need to guess. Even a three-year-old child can play ...