A group of children playing in a yard, a man in the background.
The men are digging a hole.
A man is not men and a man in the background cannot be digging a hole at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & of(x1,x2) & in(e1,x4) & rel(x4,x5) & in(x5,x6) & n_man(x5) & n_yard(x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_child(x2) & n_group(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_hole(x2))