A man is reading a newspaper on a subway.
A man reads a newspaper on public transportation.
reads is another form of is reading. A subway is a form of public transportation.
exists e1 x1 x2 x3.(on(e1,x3) & n_subway(x3) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_newspaper(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & on(x2,x3) & n_transportation(x3) & a_public(s1) & Theme(s1,x3) & n_newspaper(x2) & n_man(x1))