A girl in an orange dress is drawing on the ground with chalk.
A girl eats her sandwich at the park.
She cannot be drawing and eating.
exists e1 x1 x2 x3 x4 x5.(n_ground(x4) & on(e1,x4) & with(x4,x5) & n_chalk(x5) & Actor(e1,x1) & v_draw(e1) & in(x1,x2) & n_dress(x2) & of(x2,x3) & n_orange(x3) & n_girl(x1))
exists e1 x1 x2 x3.(n_park(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_sandwich(x2) & of(x2,x1) & n_female(x1) & n_girl(x1))