A man is reading a newspaper on a train or bus.
A man reads a newspaper on a school bus.
A bus is not necessarily a school bus.
exists e1 x1 x2 x3.(on(e1,x3) & (n_train(x3) | n_bus(x3)) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_newspaper(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & on(x2,x3) & n_bus(x3) & of(x3,x4) & n_school(x4) & n_newspaper(x2) & n_man(x1))