Three women in dresses and headscarves outside.
Three sisters wearing dresses stand outside.
Just because there are three women together it does not mean that they are sisters.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & subset_of(x4,x2) & Theme(s1,x5) & a_outside(s1) & (x4 = x5) & n_headscarve(x4) & subset_of(x3,x2) & n_dress(x3) & n_woman(x1) & card_eq_3(x1))
exists e1 e2 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e2,p1) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_dress(x3) & (x1 = x2) & n_sister(x1) & card_eq_3(x1))