A man is working on the railroad.
The man is outside.
The only way the man can work on the railroad mean he is outside.
exists e1 x1 x2.(n_railroad(x2) & on(e1,x2) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_outside(s1))