A man in a blue shirt ballroom-dancing with a woman in a white dress.
A man is dancing.
One must be dancing in order to be dancing with a woman in a white dress.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & with(x2,x4) & in(x4,x5) & n_dress(x5) & a_white(s2) & Theme(s2,x5) & n_woman(x4) & n_ballroom-dancing(x2) & of(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_dance(e1) & n_man(x1))