A smiling man in a white shirt is grilling on an open grill.
A family is eating fastfood at a resturant
A man is not a family and grilling is different than eating.
exists e2 e1 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.(at(e1,x3) & n_resturant(x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_fastfood(x2) & n_family(x1))