Two girls crouch in a small stall.
Two girls are in a bathroom stall
Not all stalls are in a bathroom.
exists e1 s1 x1 x2.(in(e1,x2) & n_stall(x2) & a_small(s1) & Theme(s1,x2) & Actor(e1,x1) & v_crouch(e1) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_stall(x2) & of(x2,x3) & n_bathroom(x3)) & n_girl(x1) & card_eq_2(x1))