A man buys roses from a young woman in a white dress.
the guy buys flowers from the woman for his wife
The man could be buying flowers for anyone and not necessarily his wife.
exists e1 s1 s2 x1 x2 x3 x4.(from(e1,x3) & in(x3,x4) & n_dress(x4) & a_white(s2) & Theme(s2,x4) & n_woman(x3) & a_young(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_rose(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_wife(x4) & of(x4,x3) & n_male(x3) & n_woman(x3) & n_guy(x1) & from(e1,x3) & for(x3,x4) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_flower(x2))