Two men, one of which is bald, in a bathroom.
Two men are in a bathroom.
One of which would imply that there are at least two men present.
exists s1 x1 x2 x3 x4.(in(s1,x4) & n_bathroom(x4) & Theme(s1,x3) & a_bald(s1) & of(x3,x2) & n_one(x3) & a_topic(x1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_bathroom(x2)) & n_man(x1) & card_eq_2(x1))