A man in a jacket is standing in the snow watching.
A man is in a purple jacket looking up at the snow.
Just because A man in a jacket is standing in the snow watching doesn't mean he has a purple jacket.
exists e1 x1 x2 x3 x4.(n_watching(x3) & of(x3,x4) & n_snow(x4) & in(e1,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_jacket(x2) & n_man(x1))
exists p1 x1 x4.(n_snow(x4) & exists e1 s1 s2 x2 x3.(in(x1,x2) & a_up(s2) & Manner(e1,s2) & at(e1,x4) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_jacket(x2) & a_purple(s1) & Theme(s1,x2)) & n_man(x1))