One of the women is married with a ring on her ring finger.
They are all single
If at least one is married then they cannot all be single.
exists e1 x1 x2 x3 x4.(n_female(x2) & n_woman(x2) & with(e1,x3) & on(x3,x4) & n_finger(x4) & of(x4,x3) & n_ring(x3) & n_ring(x3) & of(x4,x2) & Theme(e1,x1) & v_marry(e1) & of(x1,x2) & n_thing(x1) & card_eq_1(x1))
exists p1 x1.(n_thing(x1) & all x2.(n_thing(x2) -> exists e1 x3.((x1 = x2) & Theme(e1,x3) & v_single(e1) & (x2 = x3))))