A mother in a blue beret and blue shoes with her two sons.
The mother only has daughters.
If the mother is with her two sons then she cannot only have daughters.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x5) & n_son(x5) & card_eq_2(x5) & of(x5,x1) & n_female(x1) & in(x1,x2) & subset_of(x4,x2) & n_shoe(x4) & a_blue(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_beret(x3) & a_blue(s1) & Theme(s1,x3) & n_mother(x1))
exists e1 s1 x1 x2.(n_mother(x1) & a_only(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_daughter(x2))