A woman throwing a Frisbee on a beach.
two women are on vacation
Just because the woman is throwing a Frisbee on a beach does not mean the woman is on vacation, also the woman is singular meaning one not two.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_beach(x4) & Theme(e1,x3) & Actor(e1,x2) & v_throw(e1) & n_frisbee(x3) & (x1 = x2) & n_woman(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_vacation(x2)) & n_woman(x1) & card_eq_2(x1))