A small child is smiling at the camera while being held by a smiling adult.
A small boy grins at the camera while being held by his father.
A small child can be a boy or girl. It is not necessary that a child grins while smiling. A smiling adult holding a child doesn't have to be the child's father.
exists e2 e1 e3 s1 x1 x2 x3.(n_camera(x2) & while(e1,e2) & Actor(e2,x3) & n_adult(x3) & Actor(e3,x3) & v_smile(e3) & Theme(e2,x1) & v_hold(e2) & at(e1,x2) & Actor(e1,x1) & v_smile(e1) & n_child(x1) & a_small(s1) & Theme(s1,x1))
(x)