A man grilling outside his house.
A man is grilling burgers in his yard.
A man can grill anything which may or may not be burgers
exists e1 x1 x2 x3.(a_topic(x1) & outside(e1,x3) & n_house(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_grill(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_yard(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_grill(e1) & n_burger(x2) & n_man(x1))