Two girls stand in a puddle on a sidewalk.
Two brothers are sitting inside.
Two girls can not be brother while they can not stand in a puddle on a sidewalk if they are sitting inside.
exists e1 x1 x2 x3.(on(e1,x3) & n_sidewalk(x3) & in(e1,x2) & n_puddle(x2) & Actor(e1,x1) & v_stand(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 s1 x1.(a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_brother(x1) & card_eq_2(x1))