A child is in a ball pit while three adults watch her.
The child sitting in the corner, alone.
If a child is in a ball pit, a child is not in a corner.
exists p1 p2 x1.(exists e1 x4.(Theme(e1,x1) & Actor(e1,x4) & v_watch(e1) & n_adult(x4) & card_eq_3(x4)) & n_female(x1) & while(p1,p2) & exists x2 x3.(in(x1,x2) & n_pit(x2) & of(x2,x3) & n_ball(x3)) & n_child(x1))
exists e1 x1 x2 x3.(n_corner(x3) & n_child(x1) & a_topic(x1) & in(e1,x3) & r_alone(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))