Men dressed up for some sort of event with huge smiles on their faces.
The men are smiling because they are happy.
Although the men have smiles on their faces, it does not imply they are happy.
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 e1 p1 x1.(n_thing(x1) & n_man(x1) & exists s1.(Theme(s1,x1) & a_happy(s1)) & because(e1,p1) & Actor(e1,x1) & v_smile(e1))