A man sweeps the sidewalk along a fence.
a man is sweeping the fall leaves off the sidewalk
Sweeping a long a fence could be trash not necessarily leaves.
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 e2 s1 x1 x2 x3 x4.(n_sidewalk(x4) & n_fall(x3) & a_off(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x1) & v_leave(e2) & Theme(e1,x3) & Actor(e1,x2) & v_sweep(e1) & (x1 = x2) & n_man(x1))