A man does work on a stone part of a building.
A man runs through a field.
The man either does work on a building, or runs through a field.
exists e1 x1 x2 x3 x4.(on(e1,x2) & of(x2,x4) & n_building(x4) & n_part(x2) & of(x2,x3) & n_stone(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_man(x1))