A small child plays with a ball while others relax and converse with one another.
All the children are playing with a ball.
If all the children are playing then none are relaxing.
exists e1 p1 s1 x1 x2 x5.(exists e3 e2 s2 x3 x4 x6.(with(e3,x6) & n_thing(x6) & card_eq_1(x6) & a_another(s2) & Theme(s2,x6) & Actor(e3,x4) & v_converse(e3) & -(x4 = x5) & n_person(x4) & Actor(e2,x3) & v_relax(e2) & -(x3 = x1) & n_person(x3)) & n_person(x5) & n_person(x1) & while(e1,p1) & with(e1,x2) & n_ball(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists x2.(n_child(x2) & all x1.((x1 = x2) -> exists e1 x3.(with(e1,x3) & n_ball(x3) & Actor(e1,x1) & v_play(e1))))