Construction worker working in a subway tunnel.
A man is working underground.
A subway tunnel must be underground.
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_tunnel(x3) & of(x3,x4) & n_subway(x4) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 s1 x1.(a_underground(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_man(x1))