It can pick up and hold objects and distinguish between parents with strangers now. Remember to begin the mother. And began to show signs of different shows.
It can grab and catch things, and distinguish between parents. Mother with a stranger. The ball will start to remember mother's face and began to show a variety of different symptoms.
It can be picked up and held and to distinguish between what is of my father, mother and the stranger, and then I will have to remember her mother and began to show signs of a different opinion.