Some type of snack food being eaten at what appears to be a railroad site.
A man is watching TV.
The same subject cannot be a man and food.
exists e1 x1 x2 x3 x4.(a_topic(x1) & exists e2 p1 x5.(n_thing(x5) & at(e1,x5) & Topic(e2,p1) & Actor(e2,x5) & v_appear(e2) & exists p2 x6 x7.((x5 = x6) & n_site(x6) & of(x6,x7) & n_railroad(x7))) & Theme(e1,x4) & v_eat(e1) & (x1 = x4) & of(x1,x2) & n_food(x2) & of(x2,x3) & n_snack(x3) & n_type(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tv(x2) & n_man(x1))