Young Man Xiaowang is a new comer, just arrived at some level unit to work  The director encouraged him to say: All young people in our unit have made great progress in their careers  The deputy director warned him: Some young people in our unit have not made great progress in their careers! The chief welcomed Xiao Wang and introduced: All the young people in our department are hardworking and dedicated  Xiao Li, a fellow in the same department, told Xiao Wang: Our department chief is very hardworking and dedicated but not very honest
After working together for a period of time, Xiao Wang discovered that only one of the above four people's words was a lie
Some young people are very hard working.