Children who have played violent games are more likely to show offensive tendencies when dealing with their peers, such as arguing with their teachers, liking group fights, etc. This effect is universal whether it is reported by their peers, teachers or parents. If the following options are true, which most weakens the conclusions are:. ['Children playing violent games are mainly boys.', 'Violent games allow people to express their tendency to attack in a safe way.', 'Children who fight with each other in Central China prefer to play violent games.', 'In recent years, despite the increase in sales of violent games, there has been a reduction in actual incidents of child violence.']