A man on a bike is looking at what a man is selling on the street.
A man is at a hot dog vendor.
Just because a man is looking a what a man is selling on a street does not mean he is at a hot dog vendor.
exists e1 x1 x2 x5.(n_street(x5) & exists e2 x3 x4.(n_thing(x3) & at(e1,x3) & on(e2,x5) & Theme(e2,x3) & Actor(e2,x4) & v_sell(e2) & n_man(x4)) & Actor(e1,x1) & v_look(e1) & on(x1,x2) & n_bike(x2) & n_man(x1))
exists p1 x1.(exists s1 x2 x3.(at(x1,x2) & n_vendor(x2) & of(x2,x3) & n_dog(x3) & a_hot(s1) & Theme(s1,x2)) & n_man(x1))