People are exploring a city with their maps and cameras out.
People are exploring a city with their maps and Nixon cameras out.
You can not infer the camera is a Nixon
exists e1 s1 x1 x2 x3 x4 x5.(a_out(s1) & Manner(e1,s1) & with(e1,x3) & n_camera(x5) & n_map(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_explore(e1) & n_city(x2) & n_people(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_out(s1) & Manner(e1,s1) & with(e1,x3) & n_camera(x5) & (x5 = x6) & ne_per_nixon(x6) & n_map(x4) & subset_of(x5,x3) & subset_of(x4,x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_explore(e1) & n_city(x2) & n_people(x1))