A football coach and football players practicing.
The coach cancelled practice.
If the coach cancelled, they would not be practicing.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & Actor(e1,x5) & v_practice(e1) & (s1 = x5) & n_player(x3) & of(x3,x4) & n_football(x4) & n_coach(x2) & subset_of(x3,s1) & subset_of(x2,s1) & of(s1,x1) & n_football(x1))
exists e1 x1 x2.(n_coach(x1) & Theme(e1,x2) & Actor(e1,x1) & v_cancel(e1) & n_practice(x2))