A man outside of a mobile lunch van.
The man is near a van.
The man is near a van so he is outside.
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x2,x3) & n_van(x3) & of(x3,x4) & n_lunch(x4) & a_mobile(s1) & Theme(s1,x3) & outside(x1,x2) & n_thing(x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(near(x1,x2) & n_van(x2)))