A man and a woman that is holding flowers smile in the sunlight.
A man and woman exchanged flowers to one another at the same time.
We have no idea if they exchanged flowers to one another at the same time, they could be holding flowers for a number of reasons.
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_sunlight(x6) & in(e2,x6) & Actor(e2,x1) & v_smile(e2) & subset_of(x3,x1) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_flower(x5) & (x3 = x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_time(x6) & a_same(s2) & Theme(s2,x6) & at(e1,x6) & to(e1,x5) & n_thing(x5) & card_eq_1(x5) & a_another(s1) & Theme(s1,x5) & Theme(e1,x4) & Actor(e1,x1) & v_exchange(e1) & n_flower(x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))