A man grilling outside with a few people enjoying his meat.
A man is making vegetables in the oven.
Grilling outside does not require an oven.  Meat is not vegetables.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_enjoy(e2) & n_meat(x5) & of(x5,x1) & n_male(x1) & (x3 = x4) & n_people(x3) & a_few(s1) & Theme(s1,x3) & r_outside(e1) & Actor(e1,x2) & v_grill(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_oven(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_vegetable(x2) & n_man(x1))