The correct answer is actually industrious or inferior. That's why when they group up there is often a clear hierarchy among the children as to who will be the leader and who will be the follower in things like various games or sports activities.
The answer to this item is unconscious mind. Although Freud was not responsible for the determination of conscious and unconscious, he for certain made it popular. According to him, unconscious mind is that which is not accessible by our conscious mind but affects the way a person thinks, acts, or behaves.