A smiling man in a white shirt is grilling on an open grill.
A man is grilling food for his famliy during a family reunion.
Just because a man is grilling it does not mean it is during a family reunion.
exists e1 e2 s1 s2 x1 x2 x3.(on(e2,x3) & n_grill(x3) & a_open(s2) & Theme(s2,x3) & Actor(e2,x1) & v_grill(e2) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1) & Actor(e1,x1) & v_smile(e1))
exists e1 x1 x2 x3 x4 x5.(during(e1,x4) & n_reunion(x4) & of(x4,x5) & n_family(x5) & for(e1,x3) & n_famliy(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_grill(e1) & n_food(x2) & n_man(x1))