Men dressed up for some sort of event with huge smiles on their faces.
The men smile while preparing for the fancy wedding.
An event with smiles on their faces does not imply they are preparing for a wedding.
exists e1 s1 s2 x1 x2 x3 x4 x5.(for(e1,x2) & of(x2,x3) & on(x3,x5) & n_face(x5) & of(x5,x1) & n_thing(x1) & with(x3,x4) & n_smile(x4) & a_huge(s2) & Theme(s2,x4) & n_event(x3) & n_sort(x2) & a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_dress(e1) & n_man(x1))
exists e2 e1 s1 x1 x2.(n_wedding(x2) & a_fancy(s1) & Theme(s1,x2) & n_man(x1) & while(e1,e2) & for(e2,x2) & Actor(e2,x1) & v_prepare(e2) & Actor(e1,x1) & v_smile(e1))