A lady wearing a red skirt is dancing with a man.
A lady wearing a red skirt is dancing with a woman.
The lady is probably not dancing with a man and woman simultaneously.
exists e2 e1 s1 x1 x2 x3 x4.(with(e2,x4) & n_man(x4) & Actor(e2,x1) & v_dance(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_skirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_lady(x1))
exists e2 e1 s1 x1 x2 x3 x4.(with(e2,x4) & n_woman(x4) & Actor(e2,x1) & v_dance(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_skirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_lady(x1))