A man sweeps the sidewalk along a fence.
a man is driving in a horse race
Either a man sweeps or is driving
exists e1 x1 x2 x3.(n_sidewalk(x2) & Theme(e1,x2) & Actor(e1,x1) & v_sweep(e1) & along(x2,x3) & n_fence(x3) & n_man(x1))
exists e1 x1 x2 x3.(in(e1,x2) & n_race(x2) & of(x2,x3) & n_horse(x3) & Actor(e1,x1) & v_drive(e1) & n_man(x1))