A lady is swinging and smiling.
The woman is eating at a cafe.
If the lady is swinging then she is not eating.
exists e2 e1 x1 x2.(Actor(e2,x2) & v_smile(e2) & n_lady(x2) & Actor(e1,x1) & v_swing(e1) & n_lady(x1))
exists e1 x1 x2.(n_woman(x1) & at(e1,x2) & n_cafe(x2) & Actor(e1,x1) & v_eat(e1))