Three women are walking together.
The women are alone at a beach.
If three women are together then none of them are alone.
exists e1 s1 x1.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_woman(x1) & card_eq_3(x1))
exists p1 s1 x1.(n_woman(x1) & a_alone(s1) & Manner(p1,s1) & exists x2.(at(x1,x2) & n_beach(x2)))