The woman is placing an orange rose as a boutonniere on the man's suit jacket collar.
Nobody has a jacket.
The man has a suit jacket collar so he has a jacket.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_collar(x6) & of(x6,x8) & n_jacket(x8) & of(x6,x7) & n_suit(x7) & of(x6,x5) & n_man(x5) & n_woman(x1) & Theme(e2,x2) & Actor(e2,x1) & v_place(e2) & as(e1,x4) & on(x4,x6) & n_boutonniere(x4) & Actor(e1,x3) & v_rise(e1) & (x2 = x3) & n_orange(x2))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_jacket(x2) & n_person(x1))