A man and woman in front of a grill.
The grill is a Weber
There are many grill brands besides Weber.
exists s1 x1 x2 x3 x4.(a_topic(s1) & in(s1,x3) & of(x3,x4) & n_grill(x4) & n_front(x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists p1 x1.(n_grill(x1) & exists x2.((x1 = x2) & ne_org_weber(x2)))