A bride tossing her bouquet to a group of women.
Nobody is tossing.
Either the bride is tossing, or no one is tossing.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & to(e1,x4) & of(x4,x5) & n_woman(x5) & n_group(x4) & Theme(e1,x3) & Actor(e1,x2) & v_toss(e1) & n_bouquet(x3) & of(x3,x1) & n_female(x1) & (x1 = x2) & n_bride(x1))
-exists e1 x1.(Actor(e1,x1) & v_toss(e1) & n_person(x1))